18814069

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 20661120

約数和(自身を除く): 1847051

約数列:

[1, 23, 29, 67, 421, 667, 1541, 1943, 9683, 12209, 28207, 44689, 280807, 648761, 818003, 18814069]

約数ペア:

[(1, 18814069), (23, 818003), (29, 648761), (67, 280807), (421, 44689), (667, 28207), (1541, 12209), (1943, 9683)]