19955828

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2527

約数の個数: 24

約数和(自身を含む): 36650880

約数和(自身を除く): 16695052

約数列:

[1, 2, 4, 29, 58, 71, 116, 142, 284, 2059, 2423, 4118, 4846, 8236, 9692, 70267, 140534, 172033, 281068, 344066, 688132, 4988957, 9977914, 19955828]

約数ペア:

[(1, 19955828), (2, 9977914), (4, 4988957), (29, 688132), (58, 344066), (71, 281068), (116, 172033), (142, 140534), (284, 70267), (2059, 9692), (2423, 8236), (4118, 4846)]