19800102

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 47923200

約数和(自身を除く): 28123098

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 103, 138, 161, 199, 206, 309, 322, 398, 483, 597, 618, 721, 966, 1194, 1393, 1442, 2163, 2369, 2786, 4179, 4326, 4577, 4738, 7107, 8358, 9154, 13731, 14214, 16583, 20497, 27462, 32039, 33166, 40994, 49749, 61491, 64078, 96117, 99498, 122982, 143479, 192234, 286958, 430437, 471431, 860874, 942862, 1414293, 2828586, 3300017, 6600034, 9900051, 19800102]

約数ペア:

[(1, 19800102), (2, 9900051), (3, 6600034), (6, 3300017), (7, 2828586), (14, 1414293), (21, 942862), (23, 860874), (42, 471431), (46, 430437), (69, 286958), (103, 192234), (138, 143479), (161, 122982), (199, 99498), (206, 96117), (309, 64078), (322, 61491), (398, 49749), (483, 40994), (597, 33166), (618, 32039), (721, 27462), (966, 20497), (1194, 16583), (1393, 14214), (1442, 13731), (2163, 9154), (2369, 8358), (2786, 7107), (4179, 4738), (4326, 4577)]