18681264

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 42600528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 43, 48, 56, 63, 72, 84, 86, 112, 126, 129, 144, 168, 172, 252, 258, 301, 336, 344, 387, 431, 504, 516, 602, 688, 774, 862, 903, 1008, 1032, 1204, 1293, 1548, 1724, 1806, 2064, 2408, 2586, 2709, 3017, 3096, 3448, 3612, 3879, 4816, 5172, 5418, 6034, 6192, 6896, 7224, 7758, 9051, 10344, 10836, 12068, 14448, 15516, 18102, 18533, 20688, 21672, 24136, 27153, 31032, 36204, 37066, 43344, 48272, 54306, 55599, 62064, 72408, 74132, 108612, 111198, 129731, 144816, 148264, 166797, 217224, 222396, 259462, 296528, 333594, 389193, 434448, 444792, 518924, 667188, 778386, 889584, 1037848, 1167579, 1334376, 1556772, 2075696, 2335158, 2668752, 3113544, 4670316, 6227088, 9340632, 18681264]

約数ペア:

[(1, 18681264), (2, 9340632), (3, 6227088), (4, 4670316), (6, 3113544), (7, 2668752), (8, 2335158), (9, 2075696), (12, 1556772), (14, 1334376), (16, 1167579), (18, 1037848), (21, 889584), (24, 778386), (28, 667188), (36, 518924), (42, 444792), (43, 434448), (48, 389193), (56, 333594), (63, 296528), (72, 259462), (84, 222396), (86, 217224), (112, 166797), (126, 148264), (129, 144816), (144, 129731), (168, 111198), (172, 108612), (252, 74132), (258, 72408), (301, 62064), (336, 55599), (344, 54306), (387, 48272), (431, 43344), (504, 37066), (516, 36204), (602, 31032), (688, 27153), (774, 24136), (862, 21672), (903, 20688), (1008, 18533), (1032, 18102), (1204, 15516), (1293, 14448), (1548, 12068), (1724, 10836), (1806, 10344), (2064, 9051), (2408, 7758), (2586, 7224), (2709, 6896), (3017, 6192), (3096, 6034), (3448, 5418), (3612, 5172), (3879, 4816)]