19499844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 57021888

約数和(自身を除く): 37522044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2551, 3822, 5102, 7644, 7653, 10204, 15306, 17857, 30612, 33163, 35714, 53571, 66326, 71428, 99489, 107142, 124999, 132652, 198978, 214284, 232141, 249998, 374997, 397956, 464282, 499996, 696423, 749994, 928564, 1392846, 1499988, 1624987, 2785692, 3249974, 4874961, 6499948, 9749922, 19499844]

約数ペア:

[(1, 19499844), (2, 9749922), (3, 6499948), (4, 4874961), (6, 3249974), (7, 2785692), (12, 1624987), (13, 1499988), (14, 1392846), (21, 928564), (26, 749994), (28, 696423), (39, 499996), (42, 464282), (49, 397956), (52, 374997), (78, 249998), (84, 232141), (91, 214284), (98, 198978), (147, 132652), (156, 124999), (182, 107142), (196, 99489), (273, 71428), (294, 66326), (364, 53571), (546, 35714), (588, 33163), (637, 30612), (1092, 17857), (1274, 15306), (1911, 10204), (2548, 7653), (2551, 7644), (3822, 5102)]