18523864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 36224640

約数和(自身を除く): 17700776

約数列:

[1, 2, 4, 8, 31, 62, 113, 124, 226, 248, 452, 661, 904, 1322, 2644, 3503, 5288, 7006, 14012, 20491, 28024, 40982, 74693, 81964, 149386, 163928, 298772, 597544, 2315483, 4630966, 9261932, 18523864]

約数ペア:

[(1, 18523864), (2, 9261932), (4, 4630966), (8, 2315483), (31, 597544), (62, 298772), (113, 163928), (124, 149386), (226, 81964), (248, 74693), (452, 40982), (661, 28024), (904, 20491), (1322, 14012), (2644, 7006), (3503, 5288)]