18501473770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{715171}}^1$

素因数の和:715390

約数の個数: 32

約数和(自身を含む): 36044668800

約数和(自身を除く): 17543195030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 715171, 1430342, 3575855, 7151710, 9297223, 18594446, 46486115, 92972230, 142319029, 284638058, 711595145, 1423190290, 1850147377, 3700294754, 9250736885, 18501473770]

約数ペア:

[(1, 18501473770), (2, 9250736885), (5, 3700294754), (10, 1850147377), (13, 1423190290), (26, 711595145), (65, 284638058), (130, 142319029), (199, 92972230), (398, 46486115), (995, 18594446), (1990, 9297223), (2587, 7151710), (5174, 3575855), (12935, 1430342), (25870, 715171)]