19875170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 41040000

約数和(自身を除く): 21164830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 499, 569, 998, 1138, 2495, 2845, 3493, 3983, 4990, 5690, 6986, 7966, 17465, 19915, 34930, 39830, 283931, 567862, 1419655, 1987517, 2839310, 3975034, 9937585, 19875170]

約数ペア:

[(1, 19875170), (2, 9937585), (5, 3975034), (7, 2839310), (10, 1987517), (14, 1419655), (35, 567862), (70, 283931), (499, 39830), (569, 34930), (998, 19915), (1138, 17465), (2495, 7966), (2845, 6986), (3493, 5690), (3983, 4990)]