18617993

素因数分解:

${\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 19875216

約数和(自身を除く): 1257223

約数列:

[1, 37, 61, 73, 113, 2257, 2701, 4181, 4453, 6893, 8249, 164761, 255041, 305213, 503189, 18617993]

約数ペア:

[(1, 18617993), (37, 503189), (61, 305213), (73, 255041), (113, 164761), (2257, 8249), (2701, 6893), (4181, 4453)]