18477580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 43255296

約数和(自身を除く): 24777716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1787, 2068, 2585, 3574, 5170, 7148, 8935, 10340, 17870, 19657, 35740, 39314, 78628, 83989, 98285, 167978, 196570, 335956, 393140, 419945, 839890, 923879, 1679780, 1847758, 3695516, 4619395, 9238790, 18477580]

約数ペア:

[(1, 18477580), (2, 9238790), (4, 4619395), (5, 3695516), (10, 1847758), (11, 1679780), (20, 923879), (22, 839890), (44, 419945), (47, 393140), (55, 335956), (94, 196570), (110, 167978), (188, 98285), (220, 83989), (235, 78628), (470, 39314), (517, 35740), (940, 19657), (1034, 17870), (1787, 10340), (2068, 8935), (2585, 7148), (3574, 5170)]