19029717

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{571}}^1$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 32896864

約数和(自身を除く): 13867147

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 571, 1449, 1587, 1713, 3703, 3997, 4761, 5139, 11109, 11991, 13133, 33327, 35973, 39399, 91931, 118197, 275793, 302059, 827379, 906177, 2114413, 2718531, 6343239, 19029717]

約数ペア:

[(1, 19029717), (3, 6343239), (7, 2718531), (9, 2114413), (21, 906177), (23, 827379), (63, 302059), (69, 275793), (161, 118197), (207, 91931), (483, 39399), (529, 35973), (571, 33327), (1449, 13133), (1587, 11991), (1713, 11109), (3703, 5139), (3997, 4761)]