19750940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5281}}^1$

素因数の和:5318

約数の個数: 48

約数和(自身を含む): 47918304

約数和(自身を除く): 28167364

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5281, 10562, 21124, 26405, 52810, 58091, 89777, 105620, 116182, 179554, 232364, 290455, 359108, 448885, 580910, 897770, 987547, 1161820, 1795540, 1975094, 3950188, 4937735, 9875470, 19750940]

約数ペア:

[(1, 19750940), (2, 9875470), (4, 4937735), (5, 3950188), (10, 1975094), (11, 1795540), (17, 1161820), (20, 987547), (22, 897770), (34, 580910), (44, 448885), (55, 359108), (68, 290455), (85, 232364), (110, 179554), (170, 116182), (187, 105620), (220, 89777), (340, 58091), (374, 52810), (748, 26405), (935, 21124), (1870, 10562), (3740, 5281)]