19798528

素因数分解:

$2^9\times {\mathrm{38669}}^1$

素因数の和:38687

約数の個数: 20

約数和(自身を含む): 39559410

約数和(自身を除く): 19760882

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38669, 77338, 154676, 309352, 618704, 1237408, 2474816, 4949632, 9899264, 19798528]

約数ペア:

[(1, 19798528), (2, 9899264), (4, 4949632), (8, 2474816), (16, 1237408), (32, 618704), (64, 309352), (128, 154676), (256, 77338), (512, 38669)]