19068920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36671}}^1$

素因数の和:36695

約数の個数: 32

約数和(自身を含む): 46206720

約数和(自身を除く): 27137800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36671, 73342, 146684, 183355, 293368, 366710, 476723, 733420, 953446, 1466840, 1906892, 2383615, 3813784, 4767230, 9534460, 19068920]

約数ペア:

[(1, 19068920), (2, 9534460), (4, 4767230), (5, 3813784), (8, 2383615), (10, 1906892), (13, 1466840), (20, 953446), (26, 733420), (40, 476723), (52, 366710), (65, 293368), (104, 183355), (130, 146684), (260, 73342), (520, 36671)]