18418631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{953}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 4660537

約数列:

[1, 7, 11, 77, 251, 953, 1757, 2761, 6671, 10483, 19327, 73381, 239203, 1674421, 2631233, 18418631]

約数ペア:

[(1, 18418631), (7, 2631233), (11, 1674421), (77, 239203), (251, 73381), (953, 19327), (1757, 10483), (2761, 6671)]