18120492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 50960000

約数和(自身を除く): 32839508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1249, 1612, 2418, 2498, 3627, 3747, 4836, 4996, 7254, 7494, 11241, 14508, 14988, 16237, 22482, 32474, 38719, 44964, 48711, 64948, 77438, 97422, 116157, 146133, 154876, 194844, 232314, 292266, 348471, 464628, 503347, 584532, 696942, 1006694, 1393884, 1510041, 2013388, 3020082, 4530123, 6040164, 9060246, 18120492]

約数ペア:

[(1, 18120492), (2, 9060246), (3, 6040164), (4, 4530123), (6, 3020082), (9, 2013388), (12, 1510041), (13, 1393884), (18, 1006694), (26, 696942), (31, 584532), (36, 503347), (39, 464628), (52, 348471), (62, 292266), (78, 232314), (93, 194844), (117, 154876), (124, 146133), (156, 116157), (186, 97422), (234, 77438), (279, 64948), (372, 48711), (403, 44964), (468, 38719), (558, 32474), (806, 22482), (1116, 16237), (1209, 14988), (1249, 14508), (1612, 11241), (2418, 7494), (2498, 7254), (3627, 4996), (3747, 4836)]