19040679

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15907}}^1$

素因数の和:15939

約数の個数: 24

約数和(自身を含む): 33088640

約数和(自身を除く): 14047961

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15907, 47721, 111349, 143163, 302233, 334047, 906699, 1002141, 2115631, 2720097, 6346893, 19040679]

約数ペア:

[(1, 19040679), (3, 6346893), (7, 2720097), (9, 2115631), (19, 1002141), (21, 906699), (57, 334047), (63, 302233), (133, 143163), (171, 111349), (399, 47721), (1197, 15907)]