18828180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 52296300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 170, 180, 189, 204, 210, 238, 252, 255, 270, 293, 306, 315, 340, 357, 378, 420, 459, 476, 510, 540, 586, 595, 612, 630, 714, 756, 765, 879, 918, 945, 1020, 1071, 1172, 1190, 1260, 1428, 1465, 1530, 1758, 1785, 1836, 1890, 2051, 2142, 2295, 2380, 2637, 2930, 3060, 3213, 3516, 3570, 3780, 4102, 4284, 4395, 4590, 4981, 5274, 5355, 5860, 6153, 6426, 7140, 7911, 8204, 8790, 9180, 9962, 10255, 10548, 10710, 12306, 12852, 13185, 14943, 15822, 16065, 17580, 18459, 19924, 20510, 21420, 24612, 24905, 26370, 29886, 30765, 31644, 32130, 34867, 36918, 39555, 41020, 44829, 49810, 52740, 55377, 59772, 61530, 64260, 69734, 73836, 74715, 79110, 89658, 92295, 99620, 104601, 110754, 123060, 134487, 139468, 149430, 158220, 174335, 179316, 184590, 209202, 221508, 224145, 268974, 276885, 298860, 313803, 348670, 369180, 418404, 448290, 523005, 537948, 553770, 627606, 672435, 697340, 896580, 941409, 1046010, 1107540, 1255212, 1344870, 1569015, 1882818, 2092020, 2689740, 3138030, 3765636, 4707045, 6276060, 9414090, 18828180]

約数ペア:

[(1, 18828180), (2, 9414090), (3, 6276060), (4, 4707045), (5, 3765636), (6, 3138030), (7, 2689740), (9, 2092020), (10, 1882818), (12, 1569015), (14, 1344870), (15, 1255212), (17, 1107540), (18, 1046010), (20, 941409), (21, 896580), (27, 697340), (28, 672435), (30, 627606), (34, 553770), (35, 537948), (36, 523005), (42, 448290), (45, 418404), (51, 369180), (54, 348670), (60, 313803), (63, 298860), (68, 276885), (70, 268974), (84, 224145), (85, 221508), (90, 209202), (102, 184590), (105, 179316), (108, 174335), (119, 158220), (126, 149430), (135, 139468), (140, 134487), (153, 123060), (170, 110754), (180, 104601), (189, 99620), (204, 92295), (210, 89658), (238, 79110), (252, 74715), (255, 73836), (270, 69734), (293, 64260), (306, 61530), (315, 59772), (340, 55377), (357, 52740), (378, 49810), (420, 44829), (459, 41020), (476, 39555), (510, 36918), (540, 34867), (586, 32130), (595, 31644), (612, 30765), (630, 29886), (714, 26370), (756, 24905), (765, 24612), (879, 21420), (918, 20510), (945, 19924), (1020, 18459), (1071, 17580), (1172, 16065), (1190, 15822), (1260, 14943), (1428, 13185), (1465, 12852), (1530, 12306), (1758, 10710), (1785, 10548), (1836, 10255), (1890, 9962), (2051, 9180), (2142, 8790), (2295, 8204), (2380, 7911), (2637, 7140), (2930, 6426), (3060, 6153), (3213, 5860), (3516, 5355), (3570, 5274), (3780, 4981), (4102, 4590), (4284, 4395)]