19890097918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{46559}}^1$

素因数の和:46872

約数の個数: 32

約数和(自身を含む): 32101816320

約数和(自身を除く): 12211718402

約数列:

[1, 2, 23, 37, 46, 74, 251, 502, 851, 1702, 5773, 9287, 11546, 18574, 46559, 93118, 213601, 427202, 1070857, 1722683, 2141714, 3445366, 11686309, 23372618, 39621709, 79243418, 268785107, 432393433, 537570214, 864786866, 9945048959, 19890097918]

約数ペア:

[(1, 19890097918), (2, 9945048959), (23, 864786866), (37, 537570214), (46, 432393433), (74, 268785107), (251, 79243418), (502, 39621709), (851, 23372618), (1702, 11686309), (5773, 3445366), (9287, 2141714), (11546, 1722683), (18574, 1070857), (46559, 427202), (93118, 213601)]