19984064

素因数分解:

$2^6\times {\mathrm{312251}}^1$

素因数の和:312263

約数の個数: 14

約数和(自身を含む): 39656004

約数和(自身を除く): 19671940

約数列:

[1, 2, 4, 8, 16, 32, 64, 312251, 624502, 1249004, 2498008, 4996016, 9992032, 19984064]

約数ペア:

[(1, 19984064), (2, 9992032), (4, 4996016), (8, 2498008), (16, 1249004), (32, 624502), (64, 312251)]