19218359378

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{481639}}^1$

素因数の和:481993

約数の個数: 16

約数和(自身を含む): 29337655680

約数和(自身を除く): 10119296302

約数列:

[1, 2, 71, 142, 281, 562, 19951, 39902, 481639, 963278, 34196369, 68392738, 135340559, 270681118, 9609179689, 19218359378]

約数ペア:

[(1, 19218359378), (2, 9609179689), (71, 270681118), (142, 135340559), (281, 68392738), (562, 34196369), (19951, 963278), (39902, 481639)]