17980310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1871}}^1$

素因数の和:1940

約数の個数: 24

約数和(自身を含む): 33460128

約数和(自身を除く): 15479818

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1871, 1922, 3742, 4805, 9355, 9610, 18710, 58001, 116002, 290005, 580010, 1798031, 3596062, 8990155, 17980310]

約数ペア:

[(1, 17980310), (2, 8990155), (5, 3596062), (10, 1798031), (31, 580010), (62, 290005), (155, 116002), (310, 58001), (961, 18710), (1871, 9610), (1922, 9355), (3742, 4805)]