18502979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 21396480

約数和(自身を除く): 2893501

約数列:

[1, 11, 19, 209, 223, 397, 2453, 4237, 4367, 7543, 46607, 82973, 88531, 973841, 1682089, 18502979]

約数ペア:

[(1, 18502979), (11, 1682089), (19, 973841), (209, 88531), (223, 82973), (397, 46607), (2453, 7543), (4237, 4367)]