19989013816

素因数分解:

$2^3\times {\mathrm{21727}}^1\times {\mathrm{115001}}^1$

素因数の和:136734

約数の個数: 16

約数和(自身を含む): 37481451840

約数和(自身を除く): 17492438024

約数列:

[1, 2, 4, 8, 21727, 43454, 86908, 115001, 173816, 230002, 460004, 920008, 2498626727, 4997253454, 9994506908, 19989013816]

約数ペア:

[(1, 19989013816), (2, 9994506908), (4, 4997253454), (8, 2498626727), (21727, 920008), (43454, 460004), (86908, 230002), (115001, 173816)]