19774740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19387}}^1$

素因数の和:19416

約数の個数: 48

約数和(自身を含む): 58629312

約数和(自身を除く): 38854572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19387, 38774, 58161, 77548, 96935, 116322, 193870, 232644, 290805, 329579, 387740, 581610, 659158, 988737, 1163220, 1318316, 1647895, 1977474, 3295790, 3954948, 4943685, 6591580, 9887370, 19774740]

約数ペア:

[(1, 19774740), (2, 9887370), (3, 6591580), (4, 4943685), (5, 3954948), (6, 3295790), (10, 1977474), (12, 1647895), (15, 1318316), (17, 1163220), (20, 988737), (30, 659158), (34, 581610), (51, 387740), (60, 329579), (68, 290805), (85, 232644), (102, 193870), (170, 116322), (204, 96935), (255, 77548), (340, 58161), (510, 38774), (1020, 19387)]