18243896

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 38495520

約数和(自身を除く): 20251624

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 401, 484, 517, 802, 968, 1034, 1604, 2068, 3208, 4136, 4411, 5687, 8822, 11374, 17644, 18847, 22748, 35288, 37694, 45496, 48521, 75388, 97042, 150776, 194084, 207317, 388168, 414634, 829268, 1658536, 2280487, 4560974, 9121948, 18243896]

約数ペア:

[(1, 18243896), (2, 9121948), (4, 4560974), (8, 2280487), (11, 1658536), (22, 829268), (44, 414634), (47, 388168), (88, 207317), (94, 194084), (121, 150776), (188, 97042), (242, 75388), (376, 48521), (401, 45496), (484, 37694), (517, 35288), (802, 22748), (968, 18847), (1034, 17644), (1604, 11374), (2068, 8822), (3208, 5687), (4136, 4411)]