18960160

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 45130176

約数和(自身を除く): 26170016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 727, 815, 1304, 1454, 1630, 2608, 2908, 3260, 3635, 5216, 5816, 6520, 7270, 11632, 13040, 14540, 23264, 26080, 29080, 58160, 116320, 118501, 237002, 474004, 592505, 948008, 1185010, 1896016, 2370020, 3792032, 4740040, 9480080, 18960160]

約数ペア:

[(1, 18960160), (2, 9480080), (4, 4740040), (5, 3792032), (8, 2370020), (10, 1896016), (16, 1185010), (20, 948008), (32, 592505), (40, 474004), (80, 237002), (160, 118501), (163, 116320), (326, 58160), (652, 29080), (727, 26080), (815, 23264), (1304, 14540), (1454, 13040), (1630, 11632), (2608, 7270), (2908, 6520), (3260, 5816), (3635, 5216)]