19005194159

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{60271}}^1$

素因数の和:60806

約数の個数: 16

約数和(自身を含む): 21975653376

約数和(自身を除く): 2970459217

約数列:

[1, 7, 107, 421, 749, 2947, 45047, 60271, 315329, 421897, 6448997, 25374091, 45142979, 177618637, 2715027737, 19005194159]

約数ペア:

[(1, 19005194159), (7, 2715027737), (107, 177618637), (421, 45142979), (749, 25374091), (2947, 6448997), (45047, 421897), (60271, 315329)]