18640656

素因数分解:

$2^4\times 3^2\times {\mathrm{129449}}^1$

素因数の和:129463

約数の個数: 30

約数和(自身を含む): 52168350

約数和(自身を除く): 33527694

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 129449, 258898, 388347, 517796, 776694, 1035592, 1165041, 1553388, 2071184, 2330082, 3106776, 4660164, 6213552, 9320328, 18640656]

約数ペア:

[(1, 18640656), (2, 9320328), (3, 6213552), (4, 4660164), (6, 3106776), (8, 2330082), (9, 2071184), (12, 1553388), (16, 1165041), (18, 1035592), (24, 776694), (36, 517796), (48, 388347), (72, 258898), (144, 129449)]