19089655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^2$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 25972128

約数和(自身を除く): 6882473

約数列:

[1, 5, 13, 23, 65, 113, 115, 299, 565, 1469, 1495, 2599, 7345, 12769, 12995, 33787, 63845, 165997, 168935, 293687, 829985, 1468435, 3817931, 19089655]

約数ペア:

[(1, 19089655), (5, 3817931), (13, 1468435), (23, 829985), (65, 293687), (113, 168935), (115, 165997), (299, 63845), (565, 33787), (1469, 12995), (1495, 12769), (2599, 7345)]