16640228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{743}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 31872960

約数和(自身を除く): 15232732

約数列:

[1, 2, 4, 11, 22, 44, 509, 743, 1018, 1486, 2036, 2972, 5599, 8173, 11198, 16346, 22396, 32692, 378187, 756374, 1512748, 4160057, 8320114, 16640228]

約数ペア:

[(1, 16640228), (2, 8320114), (4, 4160057), (11, 1512748), (22, 756374), (44, 378187), (509, 32692), (743, 22396), (1018, 16346), (1486, 11198), (2036, 8173), (2972, 5599)]