19154518

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1319}}^1$

素因数の和:1511

約数の個数: 16

約数和(自身を含む): 29509920

約数和(自身を除く): 10355402

約数列:

[1, 2, 53, 106, 137, 274, 1319, 2638, 7261, 14522, 69907, 139814, 180703, 361406, 9577259, 19154518]

約数ペア:

[(1, 19154518), (2, 9577259), (53, 361406), (106, 180703), (137, 139814), (274, 69907), (1319, 14522), (2638, 7261)]