19770371

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 21578400

約数和(自身を除く): 1808029

約数列:

[1, 17, 73, 89, 179, 1241, 1513, 3043, 6497, 13067, 15931, 110449, 222139, 270827, 1162963, 19770371]

約数ペア:

[(1, 19770371), (17, 1162963), (73, 270827), (89, 222139), (179, 110449), (1241, 15931), (1513, 13067), (3043, 6497)]