19892068

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6287}}^1$

素因数の和:6411

約数の個数: 24

約数和(自身を含む): 40142592

約数和(自身を除く): 20250524

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6287, 12574, 25148, 44009, 88018, 176036, 710431, 1420862, 2841724, 4973017, 9946034, 19892068]

約数ペア:

[(1, 19892068), (2, 9946034), (4, 4973017), (7, 2841724), (14, 1420862), (28, 710431), (113, 176036), (226, 88018), (452, 44009), (791, 25148), (1582, 12574), (3164, 6287)]