18701644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1987}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 35457968

約数和(自身を除く): 16756324

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 1987, 2353, 3974, 4706, 7948, 9412, 25831, 51662, 103324, 359647, 719294, 1438588, 4675411, 9350822, 18701644]

約数ペア:

[(1, 18701644), (2, 9350822), (4, 4675411), (13, 1438588), (26, 719294), (52, 359647), (181, 103324), (362, 51662), (724, 25831), (1987, 9412), (2353, 7948), (3974, 4706)]