19180899

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:751

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 10172061

約数列:

[1, 3, 9, 19, 57, 171, 223, 503, 669, 1509, 2007, 4237, 4527, 9557, 12711, 28671, 38133, 86013, 112169, 336507, 1009521, 2131211, 6393633, 19180899]

約数ペア:

[(1, 19180899), (3, 6393633), (9, 2131211), (19, 1009521), (57, 336507), (171, 112169), (223, 86013), (503, 38133), (669, 28671), (1509, 12711), (2007, 9557), (4237, 4527)]