19649868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 33034932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1049, 1338, 1561, 2098, 2676, 3122, 3147, 4196, 4683, 6244, 6294, 7343, 9366, 12588, 14686, 18732, 22029, 29372, 44058, 88116, 233927, 467854, 701781, 935708, 1403562, 1637489, 2807124, 3274978, 4912467, 6549956, 9824934, 19649868]

約数ペア:

[(1, 19649868), (2, 9824934), (3, 6549956), (4, 4912467), (6, 3274978), (7, 2807124), (12, 1637489), (14, 1403562), (21, 935708), (28, 701781), (42, 467854), (84, 233927), (223, 88116), (446, 44058), (669, 29372), (892, 22029), (1049, 18732), (1338, 14686), (1561, 12588), (2098, 9366), (2676, 7343), (3122, 6294), (3147, 6244), (4196, 4683)]