19974328

素因数分解:

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

素因数の和:200

約数の個数: 32

約数和(自身を含む): 41537520

約数和(自身を除く): 21563192

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3721, 5368, 7442, 14884, 29768, 40931, 81862, 163724, 226981, 327448, 453962, 907924, 1815848, 2496791, 4993582, 9987164, 19974328]

約数ペア:

[(1, 19974328), (2, 9987164), (4, 4993582), (8, 2496791), (11, 1815848), (22, 907924), (44, 453962), (61, 327448), (88, 226981), (122, 163724), (244, 81862), (488, 40931), (671, 29768), (1342, 14884), (2684, 7442), (3721, 5368)]