18949995

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10271}}^1$

素因数の和:10323

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 14701077

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10271, 30813, 51355, 92439, 154065, 421111, 462195, 1263333, 2105555, 3789999, 6316665, 18949995]

約数ペア:

[(1, 18949995), (3, 6316665), (5, 3789999), (9, 2105555), (15, 1263333), (41, 462195), (45, 421111), (123, 154065), (205, 92439), (369, 51355), (615, 30813), (1845, 10271)]