18681904

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{5927}}^1$

素因数の和:6132

約数の個数: 20

約数和(自身を含む): 36386064

約数和(自身を除く): 17704160

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 5927, 11854, 23708, 47416, 94832, 1167619, 2335238, 4670476, 9340952, 18681904]

約数ペア:

[(1, 18681904), (2, 9340952), (4, 4670476), (8, 2335238), (16, 1167619), (197, 94832), (394, 47416), (788, 23708), (1576, 11854), (3152, 5927)]