19461580

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1747}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 40966128

約数和(自身を除く): 21504548

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1747, 2228, 2785, 3494, 5570, 6988, 8735, 11140, 17470, 34940, 973079, 1946158, 3892316, 4865395, 9730790, 19461580]

約数ペア:

[(1, 19461580), (2, 9730790), (4, 4865395), (5, 3892316), (10, 1946158), (20, 973079), (557, 34940), (1114, 17470), (1747, 11140), (2228, 8735), (2785, 6988), (3494, 5570)]