18955850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 38669400

約数和(自身を除く): 19713550

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 290, 425, 493, 725, 769, 850, 986, 1450, 1538, 2465, 3845, 4930, 7690, 12325, 13073, 19225, 22301, 24650, 26146, 38450, 44602, 65365, 111505, 130730, 223010, 326825, 379117, 557525, 653650, 758234, 1115050, 1895585, 3791170, 9477925, 18955850]

約数ペア:

[(1, 18955850), (2, 9477925), (5, 3791170), (10, 1895585), (17, 1115050), (25, 758234), (29, 653650), (34, 557525), (50, 379117), (58, 326825), (85, 223010), (145, 130730), (170, 111505), (290, 65365), (425, 44602), (493, 38450), (725, 26146), (769, 24650), (850, 22301), (986, 19225), (1450, 13073), (1538, 12325), (2465, 7690), (3845, 4930)]