18608940

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{547}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 67022592

約数和(自身を除く): 48413652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 547, 567, 630, 756, 810, 945, 972, 1094, 1134, 1215, 1260, 1620, 1641, 1701, 1890, 2188, 2268, 2430, 2735, 2835, 3282, 3402, 3780, 3829, 4860, 4923, 5470, 5670, 6564, 6804, 7658, 8205, 8505, 9846, 10940, 11340, 11487, 14769, 15316, 16410, 17010, 19145, 19692, 22974, 24615, 29538, 32820, 34020, 34461, 38290, 44307, 45948, 49230, 57435, 59076, 68922, 73845, 76580, 88614, 98460, 103383, 114870, 132921, 137844, 147690, 172305, 177228, 206766, 221535, 229740, 265842, 295380, 310149, 344610, 413532, 443070, 516915, 531684, 620298, 664605, 689220, 886140, 930447, 1033830, 1240596, 1329210, 1550745, 1860894, 2067660, 2658420, 3101490, 3721788, 4652235, 6202980, 9304470, 18608940]

約数ペア:

[(1, 18608940), (2, 9304470), (3, 6202980), (4, 4652235), (5, 3721788), (6, 3101490), (7, 2658420), (9, 2067660), (10, 1860894), (12, 1550745), (14, 1329210), (15, 1240596), (18, 1033830), (20, 930447), (21, 886140), (27, 689220), (28, 664605), (30, 620298), (35, 531684), (36, 516915), (42, 443070), (45, 413532), (54, 344610), (60, 310149), (63, 295380), (70, 265842), (81, 229740), (84, 221535), (90, 206766), (105, 177228), (108, 172305), (126, 147690), (135, 137844), (140, 132921), (162, 114870), (180, 103383), (189, 98460), (210, 88614), (243, 76580), (252, 73845), (270, 68922), (315, 59076), (324, 57435), (378, 49230), (405, 45948), (420, 44307), (486, 38290), (540, 34461), (547, 34020), (567, 32820), (630, 29538), (756, 24615), (810, 22974), (945, 19692), (972, 19145), (1094, 17010), (1134, 16410), (1215, 15316), (1260, 14769), (1620, 11487), (1641, 11340), (1701, 10940), (1890, 9846), (2188, 8505), (2268, 8205), (2430, 7658), (2735, 6804), (2835, 6564), (3282, 5670), (3402, 5470), (3780, 4923), (3829, 4860)]