19775868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{757}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 52975104

約数和(自身を除く): 33199236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 311, 622, 757, 933, 1244, 1514, 1866, 2177, 2271, 3028, 3732, 4354, 4542, 5299, 6531, 8708, 9084, 10598, 13062, 15897, 21196, 26124, 31794, 63588, 235427, 470854, 706281, 941708, 1412562, 1647989, 2825124, 3295978, 4943967, 6591956, 9887934, 19775868]

約数ペア:

[(1, 19775868), (2, 9887934), (3, 6591956), (4, 4943967), (6, 3295978), (7, 2825124), (12, 1647989), (14, 1412562), (21, 941708), (28, 706281), (42, 470854), (84, 235427), (311, 63588), (622, 31794), (757, 26124), (933, 21196), (1244, 15897), (1514, 13062), (1866, 10598), (2177, 9084), (2271, 8708), (3028, 6531), (3732, 5299), (4354, 4542)]