18628917425

素因数分解:

$5^2\times {\mathrm{157}}^1\times {\mathrm{1451}}^1\times {\mathrm{3271}}^1$

素因数の和:4889

約数の個数: 24

約数和(自身を含む): 23270123712

約数和(自身を除く): 4641206287

約数列:

[1, 5, 25, 157, 785, 1451, 3271, 3925, 7255, 16355, 36275, 81775, 227807, 513547, 1139035, 2567735, 4746221, 5695175, 12838675, 23731105, 118655525, 745156697, 3725783485, 18628917425]

約数ペア:

[(1, 18628917425), (5, 3725783485), (25, 745156697), (157, 118655525), (785, 23731105), (1451, 12838675), (3271, 5695175), (3925, 4746221), (7255, 2567735), (16355, 1139035), (36275, 513547), (81775, 227807)]