18178864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103289}}^1$

素因数の和:103308

約数の個数: 20

約数和(自身を含む): 38423880

約数和(自身を除く): 20245016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 103289, 206578, 413156, 826312, 1136179, 1652624, 2272358, 4544716, 9089432, 18178864]

約数ペア:

[(1, 18178864), (2, 9089432), (4, 4544716), (8, 2272358), (11, 1652624), (16, 1136179), (22, 826312), (44, 413156), (88, 206578), (176, 103289)]