19561998

素因数分解:

$2^1\times 3^1\times {\mathrm{563}}^1\times {\mathrm{5791}}^1$

素因数の和:6359

約数の個数: 16

約数和(自身を含む): 39200256

約数和(自身を除く): 19638258

約数列:

[1, 2, 3, 6, 563, 1126, 1689, 3378, 5791, 11582, 17373, 34746, 3260333, 6520666, 9780999, 19561998]

約数ペア:

[(1, 19561998), (2, 9780999), (3, 6520666), (6, 3260333), (563, 34746), (1126, 17373), (1689, 11582), (3378, 5791)]