19818608

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23371}}^1$

素因数の和:23432

約数の個数: 20

約数和(自身を含む): 39124728

約数和(自身を除く): 19306120

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23371, 46742, 93484, 186968, 373936, 1238663, 2477326, 4954652, 9909304, 19818608]

約数ペア:

[(1, 19818608), (2, 9909304), (4, 4954652), (8, 2477326), (16, 1238663), (53, 373936), (106, 186968), (212, 93484), (424, 46742), (848, 23371)]