18392980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 23410796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1151, 1598, 2302, 3196, 3995, 4604, 5755, 7990, 11510, 15980, 19567, 23020, 39134, 54097, 78268, 97835, 108194, 195670, 216388, 270485, 391340, 540970, 919649, 1081940, 1839298, 3678596, 4598245, 9196490, 18392980]

約数ペア:

[(1, 18392980), (2, 9196490), (4, 4598245), (5, 3678596), (10, 1839298), (17, 1081940), (20, 919649), (34, 540970), (47, 391340), (68, 270485), (85, 216388), (94, 195670), (170, 108194), (188, 97835), (235, 78268), (340, 54097), (470, 39134), (799, 23020), (940, 19567), (1151, 15980), (1598, 11510), (2302, 7990), (3196, 5755), (3995, 4604)]