18729842944

素因数分解:

$2^8\times {\mathrm{73163449}}^1$

素因数の和:73163465

約数の個数: 18

約数和(自身を含む): 37386522950

約数和(自身を除く): 18656680006

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 73163449, 146326898, 292653796, 585307592, 1170615184, 2341230368, 4682460736, 9364921472, 18729842944]

約数ペア:

[(1, 18729842944), (2, 9364921472), (4, 4682460736), (8, 2341230368), (16, 1170615184), (32, 585307592), (64, 292653796), (128, 146326898), (256, 73163449)]