19466840

素因数分解:

$2^3\times 5^1\times {\mathrm{486671}}^1$

素因数の和:486682

約数の個数: 16

約数和(自身を含む): 43800480

約数和(自身を除く): 24333640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486671, 973342, 1946684, 2433355, 3893368, 4866710, 9733420, 19466840]

約数ペア:

[(1, 19466840), (2, 9733420), (4, 4866710), (5, 3893368), (8, 2433355), (10, 1946684), (20, 973342), (40, 486671)]