18520304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{105229}}^1$

素因数の和:105248

約数の個数: 20

約数和(自身を含む): 39145560

約数和(自身を除く): 20625256

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 105229, 210458, 420916, 841832, 1157519, 1683664, 2315038, 4630076, 9260152, 18520304]

約数ペア:

[(1, 18520304), (2, 9260152), (4, 4630076), (8, 2315038), (11, 1683664), (16, 1157519), (22, 841832), (44, 420916), (88, 210458), (176, 105229)]