18926897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 21349824

約数和(自身を除く): 2422927

約数列:

[1, 11, 61, 67, 421, 671, 737, 4087, 4631, 25681, 28207, 44957, 282491, 310277, 1720627, 18926897]

約数ペア:

[(1, 18926897), (11, 1720627), (61, 310277), (67, 282491), (421, 44957), (671, 28207), (737, 25681), (4087, 4631)]