19463420

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2111}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 21517828

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2111, 2305, 4222, 4610, 8444, 9220, 10555, 21110, 42220, 973171, 1946342, 3892684, 4865855, 9731710, 19463420]

約数ペア:

[(1, 19463420), (2, 9731710), (4, 4865855), (5, 3892684), (10, 1946342), (20, 973171), (461, 42220), (922, 21110), (1844, 10555), (2111, 9220), (2305, 8444), (4222, 4610)]