18447928

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20407}}^1$

素因数の和:20526

約数の個数: 16

約数和(自身を含む): 34897680

約数和(自身を除く): 16449752

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20407, 40814, 81628, 163256, 2305991, 4611982, 9223964, 18447928]

約数ペア:

[(1, 18447928), (2, 9223964), (4, 4611982), (8, 2305991), (113, 163256), (226, 81628), (452, 40814), (904, 20407)]