19898156

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4337}}^1$

素因数の和:4409

約数の個数: 24

約数和(自身を含む): 36925056

約数和(自身を除く): 17026900

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4337, 4588, 8674, 17348, 134447, 160469, 268894, 320938, 537788, 641876, 4974539, 9949078, 19898156]

約数ペア:

[(1, 19898156), (2, 9949078), (4, 4974539), (31, 641876), (37, 537788), (62, 320938), (74, 268894), (124, 160469), (148, 134447), (1147, 17348), (2294, 8674), (4337, 4588)]