19791488

素因数分解:

$2^7\times {\mathrm{154621}}^1$

素因数の和:154635

約数の個数: 16

約数和(自身を含む): 39428610

約数和(自身を除く): 19637122

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154621, 309242, 618484, 1236968, 2473936, 4947872, 9895744, 19791488]

約数ペア:

[(1, 19791488), (2, 9895744), (4, 4947872), (8, 2473936), (16, 1236968), (32, 618484), (64, 309242), (128, 154621)]