19095505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 28522368

約数和(自身を除く): 9426863

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1571, 2431, 7855, 12155, 17281, 20423, 26707, 86405, 102115, 133535, 224653, 293777, 347191, 1123265, 1468885, 1735955, 3819101, 19095505]

約数ペア:

[(1, 19095505), (5, 3819101), (11, 1735955), (13, 1468885), (17, 1123265), (55, 347191), (65, 293777), (85, 224653), (143, 133535), (187, 102115), (221, 86405), (715, 26707), (935, 20423), (1105, 17281), (1571, 12155), (2431, 7855)]