19365720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:905

約数の個数: 128

約数和(自身を含む): 67184640

約数和(自身を除く): 47818920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 863, 935, 1020, 1122, 1320, 1496, 1726, 1870, 2040, 2244, 2589, 2805, 3452, 3740, 4315, 4488, 5178, 5610, 6904, 7480, 8630, 9493, 10356, 11220, 12945, 14671, 17260, 18986, 20712, 22440, 25890, 28479, 29342, 34520, 37972, 44013, 47465, 51780, 56958, 58684, 73355, 75944, 88026, 94930, 103560, 113916, 117368, 142395, 146710, 161381, 176052, 189860, 220065, 227832, 284790, 293420, 322762, 352104, 379720, 440130, 484143, 569580, 586840, 645524, 806905, 880260, 968286, 1139160, 1291048, 1613810, 1760520, 1936572, 2420715, 3227620, 3873144, 4841430, 6455240, 9682860, 19365720]

約数ペア:

[(1, 19365720), (2, 9682860), (3, 6455240), (4, 4841430), (5, 3873144), (6, 3227620), (8, 2420715), (10, 1936572), (11, 1760520), (12, 1613810), (15, 1291048), (17, 1139160), (20, 968286), (22, 880260), (24, 806905), (30, 645524), (33, 586840), (34, 569580), (40, 484143), (44, 440130), (51, 379720), (55, 352104), (60, 322762), (66, 293420), (68, 284790), (85, 227832), (88, 220065), (102, 189860), (110, 176052), (120, 161381), (132, 146710), (136, 142395), (165, 117368), (170, 113916), (187, 103560), (204, 94930), (220, 88026), (255, 75944), (264, 73355), (330, 58684), (340, 56958), (374, 51780), (408, 47465), (440, 44013), (510, 37972), (561, 34520), (660, 29342), (680, 28479), (748, 25890), (863, 22440), (935, 20712), (1020, 18986), (1122, 17260), (1320, 14671), (1496, 12945), (1726, 11220), (1870, 10356), (2040, 9493), (2244, 8630), (2589, 7480), (2805, 6904), (3452, 5610), (3740, 5178), (4315, 4488)]