18612568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 37820160

約数和(自身を除く): 19207592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 191, 382, 764, 937, 1528, 1874, 2483, 3748, 4966, 7496, 9932, 12181, 19864, 24362, 48724, 97448, 178967, 357934, 715868, 1431736, 2326571, 4653142, 9306284, 18612568]

約数ペア:

[(1, 18612568), (2, 9306284), (4, 4653142), (8, 2326571), (13, 1431736), (26, 715868), (52, 357934), (104, 178967), (191, 97448), (382, 48724), (764, 24362), (937, 19864), (1528, 12181), (1874, 9932), (2483, 7496), (3748, 4966)]