18168436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 39005568

約数和(自身を除く): 20837132

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1381, 2762, 3289, 5524, 6578, 13156, 15191, 17953, 30382, 31763, 35906, 60764, 63526, 71812, 127052, 197483, 349393, 394966, 412919, 698786, 789932, 825838, 1397572, 1651676, 4542109, 9084218, 18168436]

約数ペア:

[(1, 18168436), (2, 9084218), (4, 4542109), (11, 1651676), (13, 1397572), (22, 825838), (23, 789932), (26, 698786), (44, 412919), (46, 394966), (52, 349393), (92, 197483), (143, 127052), (253, 71812), (286, 63526), (299, 60764), (506, 35906), (572, 31763), (598, 30382), (1012, 17953), (1196, 15191), (1381, 13156), (2762, 6578), (3289, 5524)]