19886372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3299}}^1$

素因数の和:3451

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 18367228

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3299, 6028, 6598, 13196, 36289, 72578, 145156, 451963, 903926, 1807852, 4971593, 9943186, 19886372]

約数ペア:

[(1, 19886372), (2, 9943186), (4, 4971593), (11, 1807852), (22, 903926), (44, 451963), (137, 145156), (274, 72578), (548, 36289), (1507, 13196), (3014, 6598), (3299, 6028)]