18809883

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 28697760

約数和(自身を除く): 9887877

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1021, 2047, 3063, 6141, 9189, 18423, 23483, 70449, 90869, 211347, 272607, 817821, 2089987, 6269961, 18809883]

約数ペア:

[(1, 18809883), (3, 6269961), (9, 2089987), (23, 817821), (69, 272607), (89, 211347), (207, 90869), (267, 70449), (801, 23483), (1021, 18423), (2047, 9189), (3063, 6141)]