19714480

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{937}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 46059552

約数和(自身を除く): 26345072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 937, 1052, 1315, 1874, 2104, 2630, 3748, 4208, 4685, 5260, 7496, 9370, 10520, 14992, 18740, 21040, 37480, 74960, 246431, 492862, 985724, 1232155, 1971448, 2464310, 3942896, 4928620, 9857240, 19714480]

約数ペア:

[(1, 19714480), (2, 9857240), (4, 4928620), (5, 3942896), (8, 2464310), (10, 1971448), (16, 1232155), (20, 985724), (40, 492862), (80, 246431), (263, 74960), (526, 37480), (937, 21040), (1052, 18740), (1315, 14992), (1874, 10520), (2104, 9370), (2630, 7496), (3748, 5260), (4208, 4685)]