18697040

素因数分解:

$2^4\times 5^1\times {\mathrm{233713}}^1$

素因数の和:233726

約数の個数: 20

約数和(自身を含む): 43470804

約数和(自身を除く): 24773764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233713, 467426, 934852, 1168565, 1869704, 2337130, 3739408, 4674260, 9348520, 18697040]

約数ペア:

[(1, 18697040), (2, 9348520), (4, 4674260), (5, 3739408), (8, 2337130), (10, 1869704), (16, 1168565), (20, 934852), (40, 467426), (80, 233713)]