18949257

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 28402920

約数和(自身を除く): 9453663

約数列:

[1, 3, 9, 41, 89, 123, 267, 369, 577, 801, 1731, 3649, 5193, 10947, 23657, 32841, 51353, 70971, 154059, 212913, 462177, 2105473, 6316419, 18949257]

約数ペア:

[(1, 18949257), (3, 6316419), (9, 2105473), (41, 462177), (89, 212913), (123, 154059), (267, 70971), (369, 51353), (577, 32841), (801, 23657), (1731, 10947), (3649, 5193)]