19933818

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 41046912

約数和(自身を除く): 21113094

約数列:

[1, 2, 3, 6, 71, 73, 142, 146, 213, 219, 426, 438, 641, 1282, 1923, 3846, 5183, 10366, 15549, 31098, 45511, 46793, 91022, 93586, 136533, 140379, 273066, 280758, 3322303, 6644606, 9966909, 19933818]

約数ペア:

[(1, 19933818), (2, 9966909), (3, 6644606), (6, 3322303), (71, 280758), (73, 273066), (142, 140379), (146, 136533), (213, 93586), (219, 91022), (426, 46793), (438, 45511), (641, 31098), (1282, 15549), (1923, 10366), (3846, 5183)]