19991084734

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{789101}}^1$

素因数の和:789395

約数の個数: 16

約数和(自身を含む): 30680285760

約数和(自身を除く): 10689201026

約数列:

[1, 2, 53, 106, 239, 478, 12667, 25334, 789101, 1578202, 41822353, 83644706, 188595139, 377190278, 9995542367, 19991084734]

約数ペア:

[(1, 19991084734), (2, 9995542367), (53, 377190278), (106, 188595139), (239, 83644706), (478, 41822353), (12667, 1578202), (25334, 789101)]