18639804

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 26841156

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 89, 93, 124, 178, 186, 267, 356, 372, 534, 563, 1068, 1126, 1689, 2252, 2759, 3378, 5518, 6756, 8277, 11036, 16554, 17453, 33108, 34906, 50107, 52359, 69812, 100214, 104718, 150321, 200428, 209436, 300642, 601284, 1553317, 3106634, 4659951, 6213268, 9319902, 18639804]

約数ペア:

[(1, 18639804), (2, 9319902), (3, 6213268), (4, 4659951), (6, 3106634), (12, 1553317), (31, 601284), (62, 300642), (89, 209436), (93, 200428), (124, 150321), (178, 104718), (186, 100214), (267, 69812), (356, 52359), (372, 50107), (534, 34906), (563, 33108), (1068, 17453), (1126, 16554), (1689, 11036), (2252, 8277), (2759, 6756), (3378, 5518)]