19719088

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7561}}^1$

素因数の和:7732

約数の個数: 20

約数和(自身を含む): 38445208

約数和(自身を除く): 18726120

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7561, 15122, 30244, 60488, 120976, 1232443, 2464886, 4929772, 9859544, 19719088]

約数ペア:

[(1, 19719088), (2, 9859544), (4, 4929772), (8, 2464886), (16, 1232443), (163, 120976), (326, 60488), (652, 30244), (1304, 15122), (2608, 7561)]