18194495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 26196480

約数和(自身を除く): 8001985

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 757, 1045, 1265, 2185, 3785, 4807, 8327, 14383, 17411, 24035, 41635, 71915, 87055, 158213, 191521, 330809, 791065, 957605, 1654045, 3638899, 18194495]

約数ペア:

[(1, 18194495), (5, 3638899), (11, 1654045), (19, 957605), (23, 791065), (55, 330809), (95, 191521), (115, 158213), (209, 87055), (253, 71915), (437, 41635), (757, 24035), (1045, 17411), (1265, 14383), (2185, 8327), (3785, 4807)]