19894677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 10186347

約数列:

[1, 3, 11, 33, 47, 101, 127, 141, 303, 381, 517, 1111, 1397, 1551, 3333, 4191, 4747, 5969, 12827, 14241, 17907, 38481, 52217, 65659, 141097, 156651, 196977, 423291, 602869, 1808607, 6631559, 19894677]

約数ペア:

[(1, 19894677), (3, 6631559), (11, 1808607), (33, 602869), (47, 423291), (101, 196977), (127, 156651), (141, 141097), (303, 65659), (381, 52217), (517, 38481), (1111, 17907), (1397, 14241), (1551, 12827), (3333, 5969), (4191, 4747)]