19739264

素因数分解:

$2^7\times {\mathrm{154213}}^1$

素因数の和:154227

約数の個数: 16

約数和(自身を含む): 39324570

約数和(自身を除く): 19585306

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 154213, 308426, 616852, 1233704, 2467408, 4934816, 9869632, 19739264]

約数ペア:

[(1, 19739264), (2, 9869632), (4, 4934816), (8, 2467408), (16, 1233704), (32, 616852), (64, 308426), (128, 154213)]