19937164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{821}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 37700208

約数和(自身を除く): 17763044

約数列:

[1, 2, 4, 13, 26, 52, 467, 821, 934, 1642, 1868, 3284, 6071, 10673, 12142, 21346, 24284, 42692, 383407, 766814, 1533628, 4984291, 9968582, 19937164]

約数ペア:

[(1, 19937164), (2, 9968582), (4, 4984291), (13, 1533628), (26, 766814), (52, 383407), (467, 42692), (821, 24284), (934, 21346), (1642, 12142), (1868, 10673), (3284, 6071)]