18691787536

素因数分解:

$2^4\times {\mathrm{5039}}^1\times {\mathrm{231839}}^1$

素因数の和:236886

約数の個数: 20

約数和(自身を含む): 36222681600

約数和(自身を除く): 17530894064

約数列:

[1, 2, 4, 8, 16, 5039, 10078, 20156, 40312, 80624, 231839, 463678, 927356, 1854712, 3709424, 1168236721, 2336473442, 4672946884, 9345893768, 18691787536]

約数ペア:

[(1, 18691787536), (2, 9345893768), (4, 4672946884), (8, 2336473442), (16, 1168236721), (5039, 3709424), (10078, 1854712), (20156, 927356), (40312, 463678), (80624, 231839)]