19702528

素因数分解:

$2^8\times {\mathrm{76963}}^1$

素因数の和:76979

約数の個数: 18

約数和(自身を含む): 39328604

約数和(自身を除く): 19626076

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 76963, 153926, 307852, 615704, 1231408, 2462816, 4925632, 9851264, 19702528]

約数ペア:

[(1, 19702528), (2, 9851264), (4, 4925632), (8, 2462816), (16, 1231408), (32, 615704), (64, 307852), (128, 153926), (256, 76963)]