19742008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17257}}^1$

素因数の和:17287

約数の個数: 32

約数和(自身を含む): 43490160

約数和(自身を除く): 23748152

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17257, 34514, 69028, 138056, 189827, 224341, 379654, 448682, 759308, 897364, 1518616, 1794728, 2467751, 4935502, 9871004, 19742008]

約数ペア:

[(1, 19742008), (2, 9871004), (4, 4935502), (8, 2467751), (11, 1794728), (13, 1518616), (22, 897364), (26, 759308), (44, 448682), (52, 379654), (88, 224341), (104, 189827), (143, 138056), (286, 69028), (572, 34514), (1144, 17257)]