18377793

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 32832000

約数和(自身を除く): 14454207

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 479, 609, 783, 1323, 1421, 1437, 1827, 3353, 4263, 4311, 5481, 10059, 12789, 12933, 13891, 23471, 30177, 38367, 41673, 70413, 90531, 97237, 125019, 211239, 291711, 375057, 633717, 680659, 875133, 2041977, 2625399, 6125931, 18377793]

約数ペア:

[(1, 18377793), (3, 6125931), (7, 2625399), (9, 2041977), (21, 875133), (27, 680659), (29, 633717), (49, 375057), (63, 291711), (87, 211239), (147, 125019), (189, 97237), (203, 90531), (261, 70413), (441, 41673), (479, 38367), (609, 30177), (783, 23471), (1323, 13891), (1421, 12933), (1437, 12789), (1827, 10059), (3353, 5481), (4263, 4311)]