19194399

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2399}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 31948800

約数和(自身を除く): 12754401

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2399, 2667, 7197, 8001, 16793, 21591, 50379, 151137, 304673, 914019, 2132711, 2742057, 6398133, 19194399]

約数ペア:

[(1, 19194399), (3, 6398133), (7, 2742057), (9, 2132711), (21, 914019), (63, 304673), (127, 151137), (381, 50379), (889, 21591), (1143, 16793), (2399, 8001), (2667, 7197)]