19580144

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11437}}^1$

素因数の和:11552

約数の個数: 20

約数和(自身を含む): 38294424

約数和(自身を除く): 18714280

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11437, 22874, 45748, 91496, 182992, 1223759, 2447518, 4895036, 9790072, 19580144]

約数ペア:

[(1, 19580144), (2, 9790072), (4, 4895036), (8, 2447518), (16, 1223759), (107, 182992), (214, 91496), (428, 45748), (856, 22874), (1712, 11437)]