18221476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 39682944

約数和(自身を除く): 21461468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 113, 182, 226, 364, 443, 452, 791, 886, 1469, 1582, 1772, 2938, 3101, 3164, 5759, 5876, 6202, 10283, 11518, 12404, 20566, 23036, 40313, 41132, 50059, 80626, 100118, 161252, 200236, 350413, 650767, 700826, 1301534, 1401652, 2603068, 4555369, 9110738, 18221476]

約数ペア:

[(1, 18221476), (2, 9110738), (4, 4555369), (7, 2603068), (13, 1401652), (14, 1301534), (26, 700826), (28, 650767), (52, 350413), (91, 200236), (113, 161252), (182, 100118), (226, 80626), (364, 50059), (443, 41132), (452, 40313), (791, 23036), (886, 20566), (1469, 12404), (1582, 11518), (1772, 10283), (2938, 6202), (3101, 5876), (3164, 5759)]