18822735

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 34265088

約数和(自身を除く): 15442353

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 103, 131, 155, 279, 309, 393, 465, 515, 655, 927, 1179, 1395, 1545, 1965, 3193, 4061, 4635, 5895, 9579, 12183, 13493, 15965, 20305, 28737, 36549, 40479, 47895, 60915, 67465, 121437, 143685, 182745, 202395, 418283, 607185, 1254849, 2091415, 3764547, 6274245, 18822735]

約数ペア:

[(1, 18822735), (3, 6274245), (5, 3764547), (9, 2091415), (15, 1254849), (31, 607185), (45, 418283), (93, 202395), (103, 182745), (131, 143685), (155, 121437), (279, 67465), (309, 60915), (393, 47895), (465, 40479), (515, 36549), (655, 28737), (927, 20305), (1179, 15965), (1395, 13493), (1545, 12183), (1965, 9579), (3193, 5895), (4061, 4635)]