18219454

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1056

約数の個数: 24

約数和(自身を含む): 30451680

約数和(自身を除く): 12232226

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 953, 1738, 1906, 9559, 10483, 19118, 20966, 75287, 115313, 150574, 230626, 828157, 1656314, 9109727, 18219454]

約数ペア:

[(1, 18219454), (2, 9109727), (11, 1656314), (22, 828157), (79, 230626), (121, 150574), (158, 115313), (242, 75287), (869, 20966), (953, 19118), (1738, 10483), (1906, 9559)]