19731990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5179}}^1$

素因数の和:5316

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 28006890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5179, 10358, 15537, 25895, 31074, 51790, 77685, 155370, 657733, 1315466, 1973199, 3288665, 3946398, 6577330, 9865995, 19731990]

約数ペア:

[(1, 19731990), (2, 9865995), (3, 6577330), (5, 3946398), (6, 3288665), (10, 1973199), (15, 1315466), (30, 657733), (127, 155370), (254, 77685), (381, 51790), (635, 31074), (762, 25895), (1270, 15537), (1905, 10358), (3810, 5179)]