42207664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{138841}}^1$

素因数の和:138868

約数の個数: 20

約数和(自身を含む): 86082040

約数和(自身を除く): 43874376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 138841, 277682, 555364, 1110728, 2221456, 2637979, 5275958, 10551916, 21103832, 42207664]

約数ペア:

[(1, 42207664), (2, 21103832), (4, 10551916), (8, 5275958), (16, 2637979), (19, 2221456), (38, 1110728), (76, 555364), (152, 277682), (304, 138841)]