18493155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 15652125

約数列:

[1, 3, 5, 9, 15, 29, 37, 45, 87, 111, 145, 185, 261, 333, 383, 435, 555, 1073, 1149, 1305, 1665, 1915, 3219, 3447, 5365, 5745, 9657, 11107, 14171, 16095, 17235, 33321, 42513, 48285, 55535, 70855, 99963, 127539, 166605, 212565, 410959, 499815, 637695, 1232877, 2054795, 3698631, 6164385, 18493155]

約数ペア:

[(1, 18493155), (3, 6164385), (5, 3698631), (9, 2054795), (15, 1232877), (29, 637695), (37, 499815), (45, 410959), (87, 212565), (111, 166605), (145, 127539), (185, 99963), (261, 70855), (333, 55535), (383, 48285), (435, 42513), (555, 33321), (1073, 17235), (1149, 16095), (1305, 14171), (1665, 11107), (1915, 9657), (3219, 5745), (3447, 5365)]