18820723852

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1\times {\mathrm{3457}}^1$

素因数の和:5126

約数の個数: 48

約数和(自身を含む): 37973598208

約数和(自身を除く): 19152874356

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1531, 1778, 3062, 3457, 3556, 6124, 6914, 10717, 13828, 21434, 24199, 42868, 48398, 96796, 194437, 388874, 439039, 777748, 878078, 1361059, 1756156, 2722118, 3073273, 5292667, 5444236, 6146546, 10585334, 12293092, 21170668, 37048669, 74097338, 148194676, 672168709, 1344337418, 2688674836, 4705180963, 9410361926, 18820723852]

約数ペア:

[(1, 18820723852), (2, 9410361926), (4, 4705180963), (7, 2688674836), (14, 1344337418), (28, 672168709), (127, 148194676), (254, 74097338), (508, 37048669), (889, 21170668), (1531, 12293092), (1778, 10585334), (3062, 6146546), (3457, 5444236), (3556, 5292667), (6124, 3073273), (6914, 2722118), (10717, 1756156), (13828, 1361059), (21434, 878078), (24199, 777748), (42868, 439039), (48398, 388874), (96796, 194437)]