19982368

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2411}}^1$

素因数の和:2465

約数の個数: 48

約数和(自身を含む): 46194624

約数和(自身を除く): 26212256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2411, 4144, 4822, 8288, 9644, 16877, 19288, 33754, 38576, 67508, 77152, 89207, 135016, 178414, 270032, 356828, 540064, 624449, 713656, 1248898, 1427312, 2497796, 2854624, 4995592, 9991184, 19982368]

約数ペア:

[(1, 19982368), (2, 9991184), (4, 4995592), (7, 2854624), (8, 2497796), (14, 1427312), (16, 1248898), (28, 713656), (32, 624449), (37, 540064), (56, 356828), (74, 270032), (112, 178414), (148, 135016), (224, 89207), (259, 77152), (296, 67508), (518, 38576), (592, 33754), (1036, 19288), (1184, 16877), (2072, 9644), (2411, 8288), (4144, 4822)]