18919288

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6551}}^1$

素因数の和:6595

約数の個数: 24

約数和(自身を含む): 37444680

約数和(自身を除く): 18525392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6551, 13102, 26204, 52408, 124469, 248938, 497876, 995752, 2364911, 4729822, 9459644, 18919288]

約数ペア:

[(1, 18919288), (2, 9459644), (4, 4729822), (8, 2364911), (19, 995752), (38, 497876), (76, 248938), (152, 124469), (361, 52408), (722, 26204), (1444, 13102), (2888, 6551)]