19240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:61

約数の個数: 32

約数和(自身を含む): 47880

約数和(自身を除く): 28640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240]

約数ペア:

[(1, 19240), (2, 9620), (4, 4810), (5, 3848), (8, 2405), (10, 1924), (13, 1480), (20, 962), (26, 740), (37, 520), (40, 481), (52, 370), (65, 296), (74, 260), (104, 185), (130, 148)]