19157913020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2449861}}^1$

素因数の和:2449910

約数の個数: 48

約数和(自身を含む): 44450296128

約数和(自身を除く): 25292383108

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2449861, 4899722, 9799444, 12249305, 24498610, 41647637, 48997220, 56346803, 83295274, 112693606, 166590548, 208238185, 225387212, 281734015, 416476370, 563468030, 832952740, 957895651, 1126936060, 1915791302, 3831582604, 4789478255, 9578956510, 19157913020]

約数ペア:

[(1, 19157913020), (2, 9578956510), (4, 4789478255), (5, 3831582604), (10, 1915791302), (17, 1126936060), (20, 957895651), (23, 832952740), (34, 563468030), (46, 416476370), (68, 281734015), (85, 225387212), (92, 208238185), (115, 166590548), (170, 112693606), (230, 83295274), (340, 56346803), (391, 48997220), (460, 41647637), (782, 24498610), (1564, 12249305), (1955, 9799444), (3910, 4899722), (7820, 2449861)]