19121345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 5305663

約数列:

[1, 5, 17, 85, 227, 991, 1135, 3859, 4955, 16847, 19295, 84235, 224957, 1124785, 3824269, 19121345]

約数ペア:

[(1, 19121345), (5, 3824269), (17, 1124785), (85, 224957), (227, 84235), (991, 19295), (1135, 16847), (3859, 4955)]