2018833240

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{309637}}^1$

素因数の和:309811

約数の個数: 32

約数和(自身を含む): 4570256880

約数和(自身を除く): 2551423640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 309637, 619274, 1238548, 1548185, 2477096, 3096370, 6192740, 12385480, 50470831, 100941662, 201883324, 252354155, 403766648, 504708310, 1009416620, 2018833240]

約数ペア:

[(1, 2018833240), (2, 1009416620), (4, 504708310), (5, 403766648), (8, 252354155), (10, 201883324), (20, 100941662), (40, 50470831), (163, 12385480), (326, 6192740), (652, 3096370), (815, 2477096), (1304, 1548185), (1630, 1238548), (3260, 619274), (6520, 309637)]