18162765

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 34809600

約数和(自身を除く): 16646835

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 73, 95, 97, 135, 171, 219, 285, 291, 365, 485, 513, 657, 855, 873, 1095, 1387, 1455, 1843, 1971, 2565, 2619, 3285, 4161, 4365, 5529, 6935, 7081, 9215, 9855, 12483, 13095, 16587, 20805, 21243, 27645, 35405, 37449, 49761, 62415, 63729, 82935, 106215, 134539, 187245, 191187, 248805, 318645, 403617, 672695, 955935, 1210851, 2018085, 3632553, 6054255, 18162765]

約数ペア:

[(1, 18162765), (3, 6054255), (5, 3632553), (9, 2018085), (15, 1210851), (19, 955935), (27, 672695), (45, 403617), (57, 318645), (73, 248805), (95, 191187), (97, 187245), (135, 134539), (171, 106215), (219, 82935), (285, 63729), (291, 62415), (365, 49761), (485, 37449), (513, 35405), (657, 27645), (855, 21243), (873, 20805), (1095, 16587), (1387, 13095), (1455, 12483), (1843, 9855), (1971, 9215), (2565, 7081), (2619, 6935), (3285, 5529), (4161, 4365)]