19154740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1049}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 25298060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 1049, 1660, 1826, 2098, 3652, 4196, 4565, 5245, 9130, 10490, 11539, 18260, 20980, 23078, 46156, 57695, 87067, 115390, 174134, 230780, 348268, 435335, 870670, 957737, 1741340, 1915474, 3830948, 4788685, 9577370, 19154740]

約数ペア:

[(1, 19154740), (2, 9577370), (4, 4788685), (5, 3830948), (10, 1915474), (11, 1741340), (20, 957737), (22, 870670), (44, 435335), (55, 348268), (83, 230780), (110, 174134), (166, 115390), (220, 87067), (332, 57695), (415, 46156), (830, 23078), (913, 20980), (1049, 18260), (1660, 11539), (1826, 10490), (2098, 9130), (3652, 5245), (4196, 4565)]