19975235

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12143}}^1$

素因数の和:12202

約数の個数: 16

約数和(自身を含む): 27979776

約数和(自身を除く): 8004541

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12143, 60715, 85001, 425005, 570721, 2853605, 3995047, 19975235]

約数ペア:

[(1, 19975235), (5, 3995047), (7, 2853605), (35, 570721), (47, 425005), (235, 85001), (329, 60715), (1645, 12143)]