19615895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13121}}^1$

素因数の和:13162

約数の個数: 16

約数和(自身を含む): 26453952

約数和(自身を除く): 6838057

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13121, 65605, 170573, 301783, 852865, 1508915, 3923179, 19615895]

約数ペア:

[(1, 19615895), (5, 3923179), (13, 1508915), (23, 852865), (65, 301783), (115, 170573), (299, 65605), (1495, 13121)]