19580373

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4626

約数の個数: 20

約数和(自身を含む): 29808108

約数和(自身を除く): 10227735

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4561, 13683, 41049, 123147, 241733, 369441, 725199, 2175597, 6526791, 19580373]

約数ペア:

[(1, 19580373), (3, 6526791), (9, 2175597), (27, 725199), (53, 369441), (81, 241733), (159, 123147), (477, 41049), (1431, 13683), (4293, 4561)]