2018128905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 4307627520

約数和(自身を除く): 2289498615

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 27, 39, 45, 51, 65, 69, 85, 115, 117, 135, 153, 173, 195, 207, 221, 255, 289, 299, 345, 351, 391, 459, 519, 585, 621, 663, 765, 865, 867, 897, 1035, 1105, 1173, 1445, 1495, 1557, 1755, 1955, 1989, 2249, 2295, 2595, 2601, 2691, 2941, 3105, 3315, 3519, 3757, 3979, 4335, 4485, 4671, 5083, 5865, 5967, 6647, 6747, 7785, 7803, 8073, 8823, 9945, 10557, 11245, 11271, 11937, 13005, 13455, 14705, 15249, 17595, 18785, 19895, 19941, 20241, 23355, 25415, 26469, 29835, 33235, 33735, 33813, 35811, 38233, 39015, 40365, 44115, 45747, 49997, 51727, 52785, 56355, 59685, 59823, 60723, 67643, 76245, 79407, 86411, 99705, 101205, 101439, 107433, 114699, 132345, 137241, 149991, 155181, 169065, 179055, 179469, 191165, 202929, 228735, 249985, 258635, 259233, 299115, 303615, 338215, 344097, 397035, 432055, 449973, 465543, 507195, 537165, 573495, 608787, 649961, 686205, 749955, 775905, 777699, 879359, 897345, 1014645, 1032291, 1149931, 1296165, 1349919, 1396629, 1720485, 1826361, 1949883, 2249865, 2327715, 2333097, 2638077, 3043935, 3249805, 3449793, 3888495, 4396795, 5161455, 5749655, 5849649, 6749595, 6983145, 7914231, 9131805, 9749415, 10349379, 11665485, 13190385, 14949103, 17248965, 17548947, 23742693, 29248245, 31048137, 39571155, 44847309, 51746895, 74745515, 87744735, 118713465, 134541927, 155240685, 224236545, 403625781, 672709635, 2018128905]

約数ペア:

[(1, 2018128905), (3, 672709635), (5, 403625781), (9, 224236545), (13, 155240685), (15, 134541927), (17, 118713465), (23, 87744735), (27, 74745515), (39, 51746895), (45, 44847309), (51, 39571155), (65, 31048137), (69, 29248245), (85, 23742693), (115, 17548947), (117, 17248965), (135, 14949103), (153, 13190385), (173, 11665485), (195, 10349379), (207, 9749415), (221, 9131805), (255, 7914231), (289, 6983145), (299, 6749595), (345, 5849649), (351, 5749655), (391, 5161455), (459, 4396795), (519, 3888495), (585, 3449793), (621, 3249805), (663, 3043935), (765, 2638077), (865, 2333097), (867, 2327715), (897, 2249865), (1035, 1949883), (1105, 1826361), (1173, 1720485), (1445, 1396629), (1495, 1349919), (1557, 1296165), (1755, 1149931), (1955, 1032291), (1989, 1014645), (2249, 897345), (2295, 879359), (2595, 777699), (2601, 775905), (2691, 749955), (2941, 686205), (3105, 649961), (3315, 608787), (3519, 573495), (3757, 537165), (3979, 507195), (4335, 465543), (4485, 449973), (4671, 432055), (5083, 397035), (5865, 344097), (5967, 338215), (6647, 303615), (6747, 299115), (7785, 259233), (7803, 258635), (8073, 249985), (8823, 228735), (9945, 202929), (10557, 191165), (11245, 179469), (11271, 179055), (11937, 169065), (13005, 155181), (13455, 149991), (14705, 137241), (15249, 132345), (17595, 114699), (18785, 107433), (19895, 101439), (19941, 101205), (20241, 99705), (23355, 86411), (25415, 79407), (26469, 76245), (29835, 67643), (33235, 60723), (33735, 59823), (33813, 59685), (35811, 56355), (38233, 52785), (39015, 51727), (40365, 49997), (44115, 45747)]