18994440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9311}}^1$

素因数の和:9342

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 41347320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9311, 18622, 27933, 37244, 46555, 55866, 74488, 93110, 111732, 139665, 158287, 186220, 223464, 279330, 316574, 372440, 474861, 558660, 633148, 791435, 949722, 1117320, 1266296, 1582870, 1899444, 2374305, 3165740, 3798888, 4748610, 6331480, 9497220, 18994440]

約数ペア:

[(1, 18994440), (2, 9497220), (3, 6331480), (4, 4748610), (5, 3798888), (6, 3165740), (8, 2374305), (10, 1899444), (12, 1582870), (15, 1266296), (17, 1117320), (20, 949722), (24, 791435), (30, 633148), (34, 558660), (40, 474861), (51, 372440), (60, 316574), (68, 279330), (85, 223464), (102, 186220), (120, 158287), (136, 139665), (170, 111732), (204, 93110), (255, 74488), (340, 55866), (408, 46555), (510, 37244), (680, 27933), (1020, 18622), (2040, 9311)]