18473768

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 36053760

約数和(自身を除く): 17579992

約数列:

[1, 2, 4, 8, 31, 62, 124, 163, 248, 326, 457, 652, 914, 1304, 1828, 3656, 5053, 10106, 14167, 20212, 28334, 40424, 56668, 74491, 113336, 148982, 297964, 595928, 2309221, 4618442, 9236884, 18473768]

約数ペア:

[(1, 18473768), (2, 9236884), (4, 4618442), (8, 2309221), (31, 595928), (62, 297964), (124, 148982), (163, 113336), (248, 74491), (326, 56668), (457, 40424), (652, 28334), (914, 20212), (1304, 14167), (1828, 10106), (3656, 5053)]