18996876340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{41117}}^1$

素因数の和:42916

約数の個数: 48

約数和(自身を含む): 42987388752

約数和(自身を除く): 23990512412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1777, 3554, 7108, 8885, 17770, 23101, 35540, 41117, 46202, 82234, 92404, 115505, 164468, 205585, 231010, 411170, 462020, 534521, 822340, 1069042, 2138084, 2672605, 5345210, 10690420, 73064909, 146129818, 292259636, 365324545, 730649090, 949843817, 1461298180, 1899687634, 3799375268, 4749219085, 9498438170, 18996876340]

約数ペア:

[(1, 18996876340), (2, 9498438170), (4, 4749219085), (5, 3799375268), (10, 1899687634), (13, 1461298180), (20, 949843817), (26, 730649090), (52, 365324545), (65, 292259636), (130, 146129818), (260, 73064909), (1777, 10690420), (3554, 5345210), (7108, 2672605), (8885, 2138084), (17770, 1069042), (23101, 822340), (35540, 534521), (41117, 462020), (46202, 411170), (82234, 231010), (92404, 205585), (115505, 164468)]