18400816

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8647}}^1$

素因数の和:8681

約数の個数: 40

約数和(自身を含む): 42894080

約数和(自身を除く): 24493264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8647, 17294, 34588, 60529, 69176, 121058, 138352, 164293, 242116, 328586, 484232, 657172, 968464, 1150051, 1314344, 2300102, 2628688, 4600204, 9200408, 18400816]

約数ペア:

[(1, 18400816), (2, 9200408), (4, 4600204), (7, 2628688), (8, 2300102), (14, 1314344), (16, 1150051), (19, 968464), (28, 657172), (38, 484232), (56, 328586), (76, 242116), (112, 164293), (133, 138352), (152, 121058), (266, 69176), (304, 60529), (532, 34588), (1064, 17294), (2128, 8647)]