19379609

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 21193488

約数和(自身を除く): 1813879

約数列:

[1, 17, 53, 137, 157, 901, 2329, 2669, 7261, 8321, 21509, 123437, 141457, 365653, 1139977, 19379609]

約数ペア:

[(1, 19379609), (17, 1139977), (53, 365653), (137, 141457), (157, 123437), (901, 21509), (2329, 8321), (2669, 7261)]