17945492020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47224979}}^1$

素因数の和:47225007

約数の個数: 24

約数和(自身を含む): 39668983200

約数和(自身を除く): 21723491180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47224979, 94449958, 188899916, 236124895, 472249790, 897274601, 944499580, 1794549202, 3589098404, 4486373005, 8972746010, 17945492020]

約数ペア:

[(1, 17945492020), (2, 8972746010), (4, 4486373005), (5, 3589098404), (10, 1794549202), (19, 944499580), (20, 897274601), (38, 472249790), (76, 236124895), (95, 188899916), (190, 94449958), (380, 47224979)]