18654780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18289}}^1$

素因数の和:18318

約数の個数: 48

約数和(自身を含む): 55308960

約数和(自身を除く): 36654180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18289, 36578, 54867, 73156, 91445, 109734, 182890, 219468, 274335, 310913, 365780, 548670, 621826, 932739, 1097340, 1243652, 1554565, 1865478, 3109130, 3730956, 4663695, 6218260, 9327390, 18654780]

約数ペア:

[(1, 18654780), (2, 9327390), (3, 6218260), (4, 4663695), (5, 3730956), (6, 3109130), (10, 1865478), (12, 1554565), (15, 1243652), (17, 1097340), (20, 932739), (30, 621826), (34, 548670), (51, 365780), (60, 310913), (68, 274335), (85, 219468), (102, 182890), (170, 109734), (204, 91445), (255, 73156), (340, 54867), (510, 36578), (1020, 18289)]