18782632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3499}}^1$

素因数の和:3577

約数の個数: 32

約数和(自身を含む): 39060000

約数和(自身を除く): 20277368

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3499, 5368, 6998, 13996, 27992, 38489, 76978, 153956, 213439, 307912, 426878, 853756, 1707512, 2347829, 4695658, 9391316, 18782632]

約数ペア:

[(1, 18782632), (2, 9391316), (4, 4695658), (8, 2347829), (11, 1707512), (22, 853756), (44, 426878), (61, 307912), (88, 213439), (122, 153956), (244, 76978), (488, 38489), (671, 27992), (1342, 13996), (2684, 6998), (3499, 5368)]