18889552

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{887}}^1$

素因数の和:928

約数の個数: 40

約数和(自身を含む): 40300992

約数和(自身を除く): 21411440

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 887, 968, 1331, 1774, 1936, 2662, 3548, 5324, 7096, 9757, 10648, 14192, 19514, 21296, 39028, 78056, 107327, 156112, 214654, 429308, 858616, 1180597, 1717232, 2361194, 4722388, 9444776, 18889552]

約数ペア:

[(1, 18889552), (2, 9444776), (4, 4722388), (8, 2361194), (11, 1717232), (16, 1180597), (22, 858616), (44, 429308), (88, 214654), (121, 156112), (176, 107327), (242, 78056), (484, 39028), (887, 21296), (968, 19514), (1331, 14192), (1774, 10648), (1936, 9757), (2662, 7096), (3548, 5324)]