19701796

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{467}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15679004

約数列:

[1, 2, 4, 53, 106, 199, 212, 398, 467, 796, 934, 1868, 10547, 21094, 24751, 42188, 49502, 92933, 99004, 185866, 371732, 4925449, 9850898, 19701796]

約数ペア:

[(1, 19701796), (2, 9850898), (4, 4925449), (53, 371732), (106, 185866), (199, 99004), (212, 92933), (398, 49502), (467, 42188), (796, 24751), (934, 21094), (1868, 10547)]