18367856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 38591280

約数和(自身を除く): 20223424

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 233, 379, 466, 758, 932, 1516, 1864, 3029, 3032, 3728, 4927, 6058, 6064, 9854, 12116, 19708, 24232, 39416, 48464, 78832, 88307, 176614, 353228, 706456, 1147991, 1412912, 2295982, 4591964, 9183928, 18367856]

約数ペア:

[(1, 18367856), (2, 9183928), (4, 4591964), (8, 2295982), (13, 1412912), (16, 1147991), (26, 706456), (52, 353228), (104, 176614), (208, 88307), (233, 78832), (379, 48464), (466, 39416), (758, 24232), (932, 19708), (1516, 12116), (1864, 9854), (3029, 6064), (3032, 6058), (3728, 4927)]