19679605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 27537408

約数和(自身を除く): 7857803

約数列:

[1, 5, 11, 23, 47, 55, 115, 235, 253, 331, 517, 1081, 1265, 1655, 2585, 3641, 5405, 7613, 11891, 15557, 18205, 38065, 59455, 77785, 83743, 171127, 357811, 418715, 855635, 1789055, 3935921, 19679605]

約数ペア:

[(1, 19679605), (5, 3935921), (11, 1789055), (23, 855635), (47, 418715), (55, 357811), (115, 171127), (235, 83743), (253, 77785), (331, 59455), (517, 38065), (1081, 18205), (1265, 15557), (1655, 11891), (2585, 7613), (3641, 5405)]