18840970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1871}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 17550710

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 1871, 2014, 3742, 5035, 9355, 10070, 18710, 35549, 71098, 99163, 177745, 198326, 355490, 495815, 991630, 1884097, 3768194, 9420485, 18840970]

約数ペア:

[(1, 18840970), (2, 9420485), (5, 3768194), (10, 1884097), (19, 991630), (38, 495815), (53, 355490), (95, 198326), (106, 177745), (190, 99163), (265, 71098), (530, 35549), (1007, 18710), (1871, 10070), (2014, 9355), (3742, 5035)]