18096440

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1993}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 40916880

約数和(自身を除く): 22820440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 1993, 2270, 3986, 4540, 7972, 9080, 9965, 15944, 19930, 39860, 79720, 452411, 904822, 1809644, 2262055, 3619288, 4524110, 9048220, 18096440]

約数ペア:

[(1, 18096440), (2, 9048220), (4, 4524110), (5, 3619288), (8, 2262055), (10, 1809644), (20, 904822), (40, 452411), (227, 79720), (454, 39860), (908, 19930), (1135, 15944), (1816, 9965), (1993, 9080), (2270, 7972), (3986, 4540)]