17981984

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{18127}}^1$

素因数の和:18168

約数の個数: 24

約数和(自身を含む): 36546048

約数和(自身を除く): 18564064

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 18127, 36254, 72508, 145016, 290032, 561937, 580064, 1123874, 2247748, 4495496, 8990992, 17981984]

約数ペア:

[(1, 17981984), (2, 8990992), (4, 4495496), (8, 2247748), (16, 1123874), (31, 580064), (32, 561937), (62, 290032), (124, 145016), (248, 72508), (496, 36254), (992, 18127)]