18988620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1559}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 43910580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1559, 1740, 2030, 2436, 3045, 3118, 4060, 4677, 6090, 6236, 7795, 9354, 10913, 12180, 15590, 18708, 21826, 23385, 31180, 32739, 43652, 45211, 46770, 54565, 65478, 90422, 93540, 109130, 130956, 135633, 163695, 180844, 218260, 226055, 271266, 316477, 327390, 452110, 542532, 632954, 654780, 678165, 904220, 949431, 1265908, 1356330, 1582385, 1898862, 2712660, 3164770, 3797724, 4747155, 6329540, 9494310, 18988620]

約数ペア:

[(1, 18988620), (2, 9494310), (3, 6329540), (4, 4747155), (5, 3797724), (6, 3164770), (7, 2712660), (10, 1898862), (12, 1582385), (14, 1356330), (15, 1265908), (20, 949431), (21, 904220), (28, 678165), (29, 654780), (30, 632954), (35, 542532), (42, 452110), (58, 327390), (60, 316477), (70, 271266), (84, 226055), (87, 218260), (105, 180844), (116, 163695), (140, 135633), (145, 130956), (174, 109130), (203, 93540), (210, 90422), (290, 65478), (348, 54565), (406, 46770), (420, 45211), (435, 43652), (580, 32739), (609, 31180), (812, 23385), (870, 21826), (1015, 18708), (1218, 15590), (1559, 12180), (1740, 10913), (2030, 9354), (2436, 7795), (3045, 6236), (3118, 6090), (4060, 4677)]