18960890403

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2099}}^1$

素因数の和:2321

約数の個数: 96

約数和(自身を含む): 32979744000

約数和(自身を除く): 14018853597

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 163, 203, 273, 377, 489, 609, 637, 1131, 1141, 1421, 1911, 2099, 2119, 2639, 3423, 4263, 4727, 6297, 6357, 7917, 7987, 14181, 14693, 14833, 18473, 23961, 27287, 33089, 44079, 44499, 55419, 60871, 61451, 81861, 99267, 102851, 103831, 182613, 184353, 191009, 231623, 308553, 311493, 342137, 426097, 430157, 573027, 694869, 791323, 1026411, 1278291, 1290471, 1337063, 2373969, 2394959, 2982679, 3011099, 4011189, 4447781, 5539261, 7184877, 8948037, 9033297, 9921973, 13343343, 16617783, 16764713, 29765919, 31134467, 38774827, 50294139, 69453811, 93403401, 116324481, 128985649, 208361433, 217941269, 386956947, 486176677, 653823807, 902899543, 1458530031, 2708698629, 6320296801, 18960890403]

約数ペア:

[(1, 18960890403), (3, 6320296801), (7, 2708698629), (13, 1458530031), (21, 902899543), (29, 653823807), (39, 486176677), (49, 386956947), (87, 217941269), (91, 208361433), (147, 128985649), (163, 116324481), (203, 93403401), (273, 69453811), (377, 50294139), (489, 38774827), (609, 31134467), (637, 29765919), (1131, 16764713), (1141, 16617783), (1421, 13343343), (1911, 9921973), (2099, 9033297), (2119, 8948037), (2639, 7184877), (3423, 5539261), (4263, 4447781), (4727, 4011189), (6297, 3011099), (6357, 2982679), (7917, 2394959), (7987, 2373969), (14181, 1337063), (14693, 1290471), (14833, 1278291), (18473, 1026411), (23961, 791323), (27287, 694869), (33089, 573027), (44079, 430157), (44499, 426097), (55419, 342137), (60871, 311493), (61451, 308553), (81861, 231623), (99267, 191009), (102851, 184353), (103831, 182613)]