19011987

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 28588560

約数和(自身を除く): 9576573

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 769, 2307, 2747, 6921, 8241, 24723, 31529, 51523, 94587, 154569, 283761, 463707, 2112443, 6337329, 19011987]

約数ペア:

[(1, 19011987), (3, 6337329), (9, 2112443), (41, 463707), (67, 283761), (123, 154569), (201, 94587), (369, 51523), (603, 31529), (769, 24723), (2307, 8241), (2747, 6921)]