19821196

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 35856800

約数和(自身を除く): 16035604

約数列:

[1, 2, 4, 37, 74, 148, 199, 398, 673, 796, 1346, 2692, 7363, 14726, 24901, 29452, 49802, 99604, 133927, 267854, 535708, 4955299, 9910598, 19821196]

約数ペア:

[(1, 19821196), (2, 9910598), (4, 4955299), (37, 535708), (74, 267854), (148, 133927), (199, 99604), (398, 49802), (673, 29452), (796, 24901), (1346, 14726), (2692, 7363)]