18144620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3714

約数の個数: 48

約数和(自身を含む): 43206240

約数和(自身を除く): 25061620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3673, 4940, 7346, 14692, 18365, 36730, 47749, 69787, 73460, 95498, 139574, 190996, 238745, 279148, 348935, 477490, 697870, 907231, 954980, 1395740, 1814462, 3628924, 4536155, 9072310, 18144620]

約数ペア:

[(1, 18144620), (2, 9072310), (4, 4536155), (5, 3628924), (10, 1814462), (13, 1395740), (19, 954980), (20, 907231), (26, 697870), (38, 477490), (52, 348935), (65, 279148), (76, 238745), (95, 190996), (130, 139574), (190, 95498), (247, 73460), (260, 69787), (380, 47749), (494, 36730), (988, 18365), (1235, 14692), (2470, 7346), (3673, 4940)]