19994772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 53860352

約数和(自身を除く): 33865580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2311, 2884, 4326, 4622, 6933, 8652, 9244, 13866, 16177, 27732, 32354, 48531, 64708, 97062, 194124, 238033, 476066, 714099, 952132, 1428198, 1666231, 2856396, 3332462, 4998693, 6664924, 9997386, 19994772]

約数ペア:

[(1, 19994772), (2, 9997386), (3, 6664924), (4, 4998693), (6, 3332462), (7, 2856396), (12, 1666231), (14, 1428198), (21, 952132), (28, 714099), (42, 476066), (84, 238033), (103, 194124), (206, 97062), (309, 64708), (412, 48531), (618, 32354), (721, 27732), (1236, 16177), (1442, 13866), (2163, 9244), (2311, 8652), (2884, 6933), (4326, 4622)]