81973638

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239689}}^1$

素因数の和:239716

約数の個数: 24

約数和(自身を含む): 186958200

約数和(自身を除く): 104984562

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 239689, 479378, 719067, 1438134, 2157201, 4314402, 4554091, 9108182, 13662273, 27324546, 40986819, 81973638]

約数ペア:

[(1, 81973638), (2, 40986819), (3, 27324546), (6, 13662273), (9, 9108182), (18, 4554091), (19, 4314402), (38, 2157201), (57, 1438134), (114, 719067), (171, 479378), (342, 239689)]