19555620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 63334656

約数和(自身を除く): 43779036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 461, 505, 606, 707, 922, 1010, 1212, 1383, 1414, 1515, 1844, 2020, 2121, 2305, 2766, 2828, 3030, 3227, 3535, 4242, 4610, 5532, 6060, 6454, 6915, 7070, 8484, 9220, 9681, 10605, 12908, 13830, 14140, 16135, 19362, 21210, 27660, 32270, 38724, 42420, 46561, 48405, 64540, 93122, 96810, 139683, 186244, 193620, 232805, 279366, 325927, 465610, 558732, 651854, 698415, 931220, 977781, 1303708, 1396830, 1629635, 1955562, 2793660, 3259270, 3911124, 4888905, 6518540, 9777810, 19555620]

約数ペア:

[(1, 19555620), (2, 9777810), (3, 6518540), (4, 4888905), (5, 3911124), (6, 3259270), (7, 2793660), (10, 1955562), (12, 1629635), (14, 1396830), (15, 1303708), (20, 977781), (21, 931220), (28, 698415), (30, 651854), (35, 558732), (42, 465610), (60, 325927), (70, 279366), (84, 232805), (101, 193620), (105, 186244), (140, 139683), (202, 96810), (210, 93122), (303, 64540), (404, 48405), (420, 46561), (461, 42420), (505, 38724), (606, 32270), (707, 27660), (922, 21210), (1010, 19362), (1212, 16135), (1383, 14140), (1414, 13830), (1515, 12908), (1844, 10605), (2020, 9681), (2121, 9220), (2305, 8484), (2766, 7070), (2828, 6915), (3030, 6454), (3227, 6060), (3535, 5532), (4242, 4610)]