19872128

素因数分解:

$2^7\times {\mathrm{155251}}^1$

素因数の和:155265

約数の個数: 16

約数和(自身を含む): 39589260

約数和(自身を除く): 19717132

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 155251, 310502, 621004, 1242008, 2484016, 4968032, 9936064, 19872128]

約数ペア:

[(1, 19872128), (2, 9936064), (4, 4968032), (8, 2484016), (16, 1242008), (32, 621004), (64, 310502), (128, 155251)]