18457245

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 33606144

約数和(自身を除く): 15148899

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 101, 131, 155, 279, 303, 393, 465, 505, 655, 909, 1179, 1395, 1515, 1965, 3131, 4061, 4545, 5895, 9393, 12183, 13231, 15655, 20305, 28179, 36549, 39693, 46965, 60915, 66155, 119079, 140895, 182745, 198465, 410161, 595395, 1230483, 2050805, 3691449, 6152415, 18457245]

約数ペア:

[(1, 18457245), (3, 6152415), (5, 3691449), (9, 2050805), (15, 1230483), (31, 595395), (45, 410161), (93, 198465), (101, 182745), (131, 140895), (155, 119079), (279, 66155), (303, 60915), (393, 46965), (465, 39693), (505, 36549), (655, 28179), (909, 20305), (1179, 15655), (1395, 13231), (1515, 12183), (1965, 9393), (3131, 5895), (4061, 4545)]