19841260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7573}}^1$

素因数の和:7713

約数の個数: 24

約数和(自身を含む): 41990256

約数和(自身を除く): 22148996

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7573, 15146, 30292, 37865, 75730, 151460, 992063, 1984126, 3968252, 4960315, 9920630, 19841260]

約数ペア:

[(1, 19841260), (2, 9920630), (4, 4960315), (5, 3968252), (10, 1984126), (20, 992063), (131, 151460), (262, 75730), (524, 37865), (655, 30292), (1310, 15146), (2620, 7573)]