18766984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 37252800

約数和(自身を除く): 18485816

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 397, 622, 794, 1244, 1588, 2488, 3176, 5909, 7543, 11818, 15086, 23636, 30172, 47272, 60344, 123467, 246934, 493868, 987736, 2345873, 4691746, 9383492, 18766984]

約数ペア:

[(1, 18766984), (2, 9383492), (4, 4691746), (8, 2345873), (19, 987736), (38, 493868), (76, 246934), (152, 123467), (311, 60344), (397, 47272), (622, 30172), (794, 23636), (1244, 15086), (1588, 11818), (2488, 7543), (3176, 5909)]