19746741

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55313}}^1$

素因数の和:55340

約数の個数: 16

約数和(自身を含む): 31860864

約数和(自身を除く): 12114123

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55313, 165939, 387191, 940321, 1161573, 2820963, 6582247, 19746741]

約数ペア:

[(1, 19746741), (3, 6582247), (7, 2820963), (17, 1161573), (21, 940321), (51, 387191), (119, 165939), (357, 55313)]