19289340

素因数分解:

$2^2\times 3^9\times 5^1\times 7^2$

素因数の和:50

約数の個数: 180

約数和(自身を含む): 70680456

約数和(自身を除く): 51391116

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 729, 735, 756, 810, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1458, 1470, 1620, 1701, 1764, 1890, 2187, 2205, 2268, 2430, 2646, 2835, 2916, 2940, 3402, 3645, 3780, 3969, 4374, 4410, 4860, 5103, 5292, 5670, 6561, 6615, 6804, 7290, 7938, 8505, 8748, 8820, 10206, 10935, 11340, 11907, 13122, 13230, 14580, 15309, 15876, 17010, 19683, 19845, 20412, 21870, 23814, 25515, 26244, 26460, 30618, 32805, 34020, 35721, 39366, 39690, 43740, 45927, 47628, 51030, 59535, 61236, 65610, 71442, 76545, 78732, 79380, 91854, 98415, 102060, 107163, 119070, 131220, 137781, 142884, 153090, 178605, 183708, 196830, 214326, 229635, 238140, 275562, 306180, 321489, 357210, 393660, 428652, 459270, 535815, 551124, 642978, 688905, 714420, 918540, 964467, 1071630, 1285956, 1377810, 1607445, 1928934, 2143260, 2755620, 3214890, 3857868, 4822335, 6429780, 9644670, 19289340]

約数ペア:

[(1, 19289340), (2, 9644670), (3, 6429780), (4, 4822335), (5, 3857868), (6, 3214890), (7, 2755620), (9, 2143260), (10, 1928934), (12, 1607445), (14, 1377810), (15, 1285956), (18, 1071630), (20, 964467), (21, 918540), (27, 714420), (28, 688905), (30, 642978), (35, 551124), (36, 535815), (42, 459270), (45, 428652), (49, 393660), (54, 357210), (60, 321489), (63, 306180), (70, 275562), (81, 238140), (84, 229635), (90, 214326), (98, 196830), (105, 183708), (108, 178605), (126, 153090), (135, 142884), (140, 137781), (147, 131220), (162, 119070), (180, 107163), (189, 102060), (196, 98415), (210, 91854), (243, 79380), (245, 78732), (252, 76545), (270, 71442), (294, 65610), (315, 61236), (324, 59535), (378, 51030), (405, 47628), (420, 45927), (441, 43740), (486, 39690), (490, 39366), (540, 35721), (567, 34020), (588, 32805), (630, 30618), (729, 26460), (735, 26244), (756, 25515), (810, 23814), (882, 21870), (945, 20412), (972, 19845), (980, 19683), (1134, 17010), (1215, 15876), (1260, 15309), (1323, 14580), (1458, 13230), (1470, 13122), (1620, 11907), (1701, 11340), (1764, 10935), (1890, 10206), (2187, 8820), (2205, 8748), (2268, 8505), (2430, 7938), (2646, 7290), (2835, 6804), (2916, 6615), (2940, 6561), (3402, 5670), (3645, 5292), (3780, 5103), (3969, 4860), (4374, 4410)]