18002457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 29922048

約数和(自身を除く): 11919591

約数列:

[1, 3, 9, 11, 33, 47, 53, 73, 99, 141, 159, 219, 423, 477, 517, 583, 657, 803, 1551, 1749, 2409, 2491, 3431, 3869, 4653, 5247, 7227, 7473, 10293, 11607, 22419, 27401, 30879, 34821, 37741, 42559, 82203, 113223, 127677, 181843, 246609, 339669, 383031, 545529, 1636587, 2000273, 6000819, 18002457]

約数ペア:

[(1, 18002457), (3, 6000819), (9, 2000273), (11, 1636587), (33, 545529), (47, 383031), (53, 339669), (73, 246609), (99, 181843), (141, 127677), (159, 113223), (219, 82203), (423, 42559), (477, 37741), (517, 34821), (583, 30879), (657, 27401), (803, 22419), (1551, 11607), (1749, 10293), (2409, 7473), (2491, 7227), (3431, 5247), (3869, 4653)]