19860700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10453}}^1$

素因数の和:10486

約数の個数: 36

約数和(自身を含む): 45370360

約数和(自身を除く): 25509660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10453, 20906, 41812, 52265, 104530, 198607, 209060, 261325, 397214, 522650, 794428, 993035, 1045300, 1986070, 3972140, 4965175, 9930350, 19860700]

約数ペア:

[(1, 19860700), (2, 9930350), (4, 4965175), (5, 3972140), (10, 1986070), (19, 1045300), (20, 993035), (25, 794428), (38, 522650), (50, 397214), (76, 261325), (95, 209060), (100, 198607), (190, 104530), (380, 52265), (475, 41812), (950, 20906), (1900, 10453)]