19676305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 27212544

約数和(自身を除く): 7536239

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 991, 1045, 1805, 3971, 4955, 10901, 18829, 19855, 54505, 94145, 207119, 357751, 1035595, 1788755, 3935261, 19676305]

約数ペア:

[(1, 19676305), (5, 3935261), (11, 1788755), (19, 1035595), (55, 357751), (95, 207119), (209, 94145), (361, 54505), (991, 19855), (1045, 18829), (1805, 10901), (3971, 4955)]