19961708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7243}}^1$

素因数の和:7313

約数の個数: 24

約数和(自身を含む): 38335248

約数和(自身を除く): 18373540

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7243, 14486, 28972, 94159, 188318, 376636, 383879, 767758, 1535516, 4990427, 9980854, 19961708]

約数ペア:

[(1, 19961708), (2, 9980854), (4, 4990427), (13, 1535516), (26, 767758), (52, 383879), (53, 376636), (106, 188318), (212, 94159), (689, 28972), (1378, 14486), (2756, 7243)]