18804180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 36716460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 101, 107, 116, 145, 174, 202, 214, 290, 303, 321, 348, 404, 428, 435, 505, 535, 580, 606, 642, 870, 1010, 1070, 1212, 1284, 1515, 1605, 1740, 2020, 2140, 2929, 3030, 3103, 3210, 5858, 6060, 6206, 6420, 8787, 9309, 10807, 11716, 12412, 14645, 15515, 17574, 18618, 21614, 29290, 31030, 32421, 35148, 37236, 43228, 43935, 46545, 54035, 58580, 62060, 64842, 87870, 93090, 108070, 129684, 162105, 175740, 186180, 216140, 313403, 324210, 626806, 648420, 940209, 1253612, 1567015, 1880418, 3134030, 3760836, 4701045, 6268060, 9402090, 18804180]

約数ペア:

[(1, 18804180), (2, 9402090), (3, 6268060), (4, 4701045), (5, 3760836), (6, 3134030), (10, 1880418), (12, 1567015), (15, 1253612), (20, 940209), (29, 648420), (30, 626806), (58, 324210), (60, 313403), (87, 216140), (101, 186180), (107, 175740), (116, 162105), (145, 129684), (174, 108070), (202, 93090), (214, 87870), (290, 64842), (303, 62060), (321, 58580), (348, 54035), (404, 46545), (428, 43935), (435, 43228), (505, 37236), (535, 35148), (580, 32421), (606, 31030), (642, 29290), (870, 21614), (1010, 18618), (1070, 17574), (1212, 15515), (1284, 14645), (1515, 12412), (1605, 11716), (1740, 10807), (2020, 9309), (2140, 8787), (2929, 6420), (3030, 6206), (3103, 6060), (3210, 5858)]