18440912

素因数分解:

$2^4\times 7^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 22627888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 229, 458, 719, 916, 1438, 1603, 1832, 2876, 3206, 3664, 5033, 5752, 6412, 10066, 11504, 12824, 20132, 25648, 40264, 80528, 164651, 329302, 658604, 1152557, 1317208, 2305114, 2634416, 4610228, 9220456, 18440912]

約数ペア:

[(1, 18440912), (2, 9220456), (4, 4610228), (7, 2634416), (8, 2305114), (14, 1317208), (16, 1152557), (28, 658604), (56, 329302), (112, 164651), (229, 80528), (458, 40264), (719, 25648), (916, 20132), (1438, 12824), (1603, 11504), (1832, 10066), (2876, 6412), (3206, 5752), (3664, 5033)]