18742746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12347}}^1$

素因数の和:12386

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 23931942

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 12347, 24694, 37041, 74082, 135817, 271634, 283981, 407451, 567962, 814902, 851943, 1703886, 3123791, 6247582, 9371373, 18742746]

約数ペア:

[(1, 18742746), (2, 9371373), (3, 6247582), (6, 3123791), (11, 1703886), (22, 851943), (23, 814902), (33, 567962), (46, 407451), (66, 283981), (69, 271634), (138, 135817), (253, 74082), (506, 37041), (759, 24694), (1518, 12347)]