19942715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3163}}^1$

素因数の和:3278

約数の個数: 16

約数和(自身を含む): 26046048

約数和(自身を除く): 6103333

約数列:

[1, 5, 13, 65, 97, 485, 1261, 3163, 6305, 15815, 41119, 205595, 306811, 1534055, 3988543, 19942715]

約数ペア:

[(1, 19942715), (5, 3988543), (13, 1534055), (65, 306811), (97, 205595), (485, 41119), (1261, 15815), (3163, 6305)]