18399717

素因数分解:

$3^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 32672640

約数和(自身を除く): 14272923

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 373, 567, 609, 783, 1119, 1701, 1827, 2349, 2611, 3357, 5481, 7047, 7833, 10071, 10817, 16443, 23499, 30213, 32451, 49329, 70497, 75719, 90639, 97353, 211491, 227157, 292059, 634473, 681471, 876177, 2044413, 2628531, 6133239, 18399717]

約数ペア:

[(1, 18399717), (3, 6133239), (7, 2628531), (9, 2044413), (21, 876177), (27, 681471), (29, 634473), (63, 292059), (81, 227157), (87, 211491), (189, 97353), (203, 90639), (243, 75719), (261, 70497), (373, 49329), (567, 32451), (609, 30213), (783, 23499), (1119, 16443), (1701, 10817), (1827, 10071), (2349, 7833), (2611, 7047), (3357, 5481)]