18805740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 37803540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 103, 170, 179, 204, 206, 255, 309, 340, 358, 412, 510, 515, 537, 618, 716, 895, 1020, 1030, 1074, 1236, 1545, 1751, 1790, 2060, 2148, 2685, 3043, 3090, 3502, 3580, 5253, 5370, 6086, 6180, 7004, 8755, 9129, 10506, 10740, 12172, 15215, 17510, 18258, 18437, 21012, 26265, 30430, 35020, 36516, 36874, 45645, 52530, 55311, 60860, 73748, 91290, 92185, 105060, 110622, 182580, 184370, 221244, 276555, 313429, 368740, 553110, 626858, 940287, 1106220, 1253716, 1567145, 1880574, 3134290, 3761148, 4701435, 6268580, 9402870, 18805740]

約数ペア:

[(1, 18805740), (2, 9402870), (3, 6268580), (4, 4701435), (5, 3761148), (6, 3134290), (10, 1880574), (12, 1567145), (15, 1253716), (17, 1106220), (20, 940287), (30, 626858), (34, 553110), (51, 368740), (60, 313429), (68, 276555), (85, 221244), (102, 184370), (103, 182580), (170, 110622), (179, 105060), (204, 92185), (206, 91290), (255, 73748), (309, 60860), (340, 55311), (358, 52530), (412, 45645), (510, 36874), (515, 36516), (537, 35020), (618, 30430), (716, 26265), (895, 21012), (1020, 18437), (1030, 18258), (1074, 17510), (1236, 15215), (1545, 12172), (1751, 10740), (1790, 10506), (2060, 9129), (2148, 8755), (2685, 7004), (3043, 6180), (3090, 6086), (3502, 5370), (3580, 5253)]