19131720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{159431}}^1$

素因数の和:159445

約数の個数: 32

約数和(自身を含む): 57395520

約数和(自身を除く): 38263800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 159431, 318862, 478293, 637724, 797155, 956586, 1275448, 1594310, 1913172, 2391465, 3188620, 3826344, 4782930, 6377240, 9565860, 19131720]

約数ペア:

[(1, 19131720), (2, 9565860), (3, 6377240), (4, 4782930), (5, 3826344), (6, 3188620), (8, 2391465), (10, 1913172), (12, 1594310), (15, 1275448), (20, 956586), (24, 797155), (30, 637724), (40, 478293), (60, 318862), (120, 159431)]