19901394

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 45893952

約数和(自身を除く): 25992558

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 414, 477, 907, 954, 1219, 1814, 2438, 2721, 3657, 5442, 7314, 8163, 10971, 16326, 20861, 21942, 41722, 48071, 62583, 96142, 125166, 144213, 187749, 288426, 375498, 432639, 865278, 1105633, 2211266, 3316899, 6633798, 9950697, 19901394]

約数ペア:

[(1, 19901394), (2, 9950697), (3, 6633798), (6, 3316899), (9, 2211266), (18, 1105633), (23, 865278), (46, 432639), (53, 375498), (69, 288426), (106, 187749), (138, 144213), (159, 125166), (207, 96142), (318, 62583), (414, 48071), (477, 41722), (907, 21942), (954, 20861), (1219, 16326), (1814, 10971), (2438, 8163), (2721, 7314), (3657, 5442)]