19700748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 52183040

約数和(自身を除く): 32482292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 139, 186, 254, 278, 279, 372, 381, 417, 508, 556, 558, 762, 834, 1116, 1143, 1251, 1524, 1668, 2286, 2502, 3937, 4309, 4572, 5004, 7874, 8618, 11811, 12927, 15748, 17236, 17653, 23622, 25854, 35306, 35433, 38781, 47244, 51708, 52959, 70612, 70866, 77562, 105918, 141732, 155124, 158877, 211836, 317754, 547243, 635508, 1094486, 1641729, 2188972, 3283458, 4925187, 6566916, 9850374, 19700748]

約数ペア:

[(1, 19700748), (2, 9850374), (3, 6566916), (4, 4925187), (6, 3283458), (9, 2188972), (12, 1641729), (18, 1094486), (31, 635508), (36, 547243), (62, 317754), (93, 211836), (124, 158877), (127, 155124), (139, 141732), (186, 105918), (254, 77562), (278, 70866), (279, 70612), (372, 52959), (381, 51708), (417, 47244), (508, 38781), (556, 35433), (558, 35306), (762, 25854), (834, 23622), (1116, 17653), (1143, 17236), (1251, 15748), (1524, 12927), (1668, 11811), (2286, 8618), (2502, 7874), (3937, 5004), (4309, 4572)]