19966910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5531}}^1$

素因数の和:5576

約数の個数: 24

約数和(自身を含む): 37938456

約数和(自身を除く): 17971546

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5531, 11062, 27655, 55310, 105089, 210178, 525445, 1050890, 1996691, 3993382, 9983455, 19966910]

約数ペア:

[(1, 19966910), (2, 9983455), (5, 3993382), (10, 1996691), (19, 1050890), (38, 525445), (95, 210178), (190, 105089), (361, 55310), (722, 27655), (1805, 11062), (3610, 5531)]