18615381174

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{3203}}^1$

素因数の和:3731

約数の個数: 128

約数和(自身を含む): 47281812480

約数和(自身を除く): 28666431306

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 487, 663, 702, 918, 974, 1326, 1461, 1989, 2922, 3203, 3978, 4383, 5967, 6331, 6406, 8279, 8766, 9609, 11934, 12662, 13149, 16558, 18993, 19218, 24837, 26298, 28827, 37986, 41639, 49674, 54451, 56979, 57654, 74511, 83278, 86481, 107627, 108902, 113958, 124917, 149022, 163353, 170937, 172962, 215254, 223533, 249834, 322881, 326706, 341874, 374751, 447066, 490059, 645762, 707863, 749502, 968643, 980118, 1124253, 1415726, 1470177, 1559861, 1937286, 2123589, 2248506, 2905929, 2940354, 3119722, 4247178, 4679583, 5811858, 6370767, 9359166, 12741534, 14038749, 19112301, 20278193, 26517637, 28077498, 38224602, 40556386, 42116247, 53035274, 60834579, 79552911, 84232494, 121669158, 159105822, 182503737, 238658733, 344729281, 365007474, 477317466, 547511211, 689458562, 715976199, 1034187843, 1095022422, 1431952398, 2068375686, 3102563529, 6205127058, 9307690587, 18615381174]

約数ペア:

[(1, 18615381174), (2, 9307690587), (3, 6205127058), (6, 3102563529), (9, 2068375686), (13, 1431952398), (17, 1095022422), (18, 1034187843), (26, 715976199), (27, 689458562), (34, 547511211), (39, 477317466), (51, 365007474), (54, 344729281), (78, 238658733), (102, 182503737), (117, 159105822), (153, 121669158), (221, 84232494), (234, 79552911), (306, 60834579), (351, 53035274), (442, 42116247), (459, 40556386), (487, 38224602), (663, 28077498), (702, 26517637), (918, 20278193), (974, 19112301), (1326, 14038749), (1461, 12741534), (1989, 9359166), (2922, 6370767), (3203, 5811858), (3978, 4679583), (4383, 4247178), (5967, 3119722), (6331, 2940354), (6406, 2905929), (8279, 2248506), (8766, 2123589), (9609, 1937286), (11934, 1559861), (12662, 1470177), (13149, 1415726), (16558, 1124253), (18993, 980118), (19218, 968643), (24837, 749502), (26298, 707863), (28827, 645762), (37986, 490059), (41639, 447066), (49674, 374751), (54451, 341874), (56979, 326706), (57654, 322881), (74511, 249834), (83278, 223533), (86481, 215254), (107627, 172962), (108902, 170937), (113958, 163353), (124917, 149022)]