19517848

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11287

約数の個数: 32

約数和(自身を含む): 43176960

約数和(自身を除く): 23659112

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11243, 22486, 44972, 78701, 89944, 157402, 314804, 348533, 629608, 697066, 1394132, 2439731, 2788264, 4879462, 9758924, 19517848]

約数ペア:

[(1, 19517848), (2, 9758924), (4, 4879462), (7, 2788264), (8, 2439731), (14, 1394132), (28, 697066), (31, 629608), (56, 348533), (62, 314804), (124, 157402), (217, 89944), (248, 78701), (434, 44972), (868, 22486), (1736, 11243)]