19563904

素因数分解:

$2^7\times {\mathrm{152843}}^1$

素因数の和:152857

約数の個数: 16

約数和(自身を含む): 38975220

約数和(自身を除く): 19411316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 152843, 305686, 611372, 1222744, 2445488, 4890976, 9781952, 19563904]

約数ペア:

[(1, 19563904), (2, 9781952), (4, 4890976), (8, 2445488), (16, 1222744), (32, 611372), (64, 305686), (128, 152843)]