19711208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11789}}^1$

素因数の和:11825

約数の個数: 32

約数和(自身を含む): 42444000

約数和(自身を除く): 22732792

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11789, 23578, 47156, 94312, 129679, 223991, 259358, 447982, 518716, 895964, 1037432, 1791928, 2463901, 4927802, 9855604, 19711208]

約数ペア:

[(1, 19711208), (2, 9855604), (4, 4927802), (8, 2463901), (11, 1791928), (19, 1037432), (22, 895964), (38, 518716), (44, 447982), (76, 259358), (88, 223991), (152, 129679), (209, 94312), (418, 47156), (836, 23578), (1672, 11789)]