18804937868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6687389}}^1$

素因数の和:6687449

約数の個数: 24

約数和(自身を含む): 35576914800

約数和(自身を除く): 16771976932

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 6687389, 13374778, 26749556, 127060391, 247433393, 254120782, 494866786, 508241564, 989733572, 4701234467, 9402468934, 18804937868]

約数ペア:

[(1, 18804937868), (2, 9402468934), (4, 4701234467), (19, 989733572), (37, 508241564), (38, 494866786), (74, 254120782), (76, 247433393), (148, 127060391), (703, 26749556), (1406, 13374778), (2812, 6687389)]