19959288

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 52147200

約数和(自身を除く): 32187912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 139, 186, 193, 248, 278, 372, 386, 417, 556, 579, 744, 772, 834, 1112, 1158, 1544, 1668, 2316, 3336, 4309, 4632, 5983, 8618, 11966, 12927, 17236, 17949, 23932, 25854, 26827, 34472, 35898, 47864, 51708, 53654, 71796, 80481, 103416, 107308, 143592, 160962, 214616, 321924, 643848, 831637, 1663274, 2494911, 3326548, 4989822, 6653096, 9979644, 19959288]

約数ペア:

[(1, 19959288), (2, 9979644), (3, 6653096), (4, 4989822), (6, 3326548), (8, 2494911), (12, 1663274), (24, 831637), (31, 643848), (62, 321924), (93, 214616), (124, 160962), (139, 143592), (186, 107308), (193, 103416), (248, 80481), (278, 71796), (372, 53654), (386, 51708), (417, 47864), (556, 35898), (579, 34472), (744, 26827), (772, 25854), (834, 23932), (1112, 17949), (1158, 17236), (1544, 12927), (1668, 11966), (2316, 8618), (3336, 5983), (4309, 4632)]