19921690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104851}}^1$

素因数の和:104877

約数の個数: 16

約数和(自身を含む): 37746720

約数和(自身を除く): 17825030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104851, 209702, 524255, 1048510, 1992169, 3984338, 9960845, 19921690]

約数ペア:

[(1, 19921690), (2, 9960845), (5, 3984338), (10, 1992169), (19, 1048510), (38, 524255), (95, 209702), (190, 104851)]