19637228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3739}}^1$

素因数の和:3857

約数の個数: 24

約数和(自身を含む): 37385040

約数和(自身を除く): 17747812

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3739, 5252, 7478, 14956, 48607, 97214, 194428, 377639, 755278, 1510556, 4909307, 9818614, 19637228]

約数ペア:

[(1, 19637228), (2, 9818614), (4, 4909307), (13, 1510556), (26, 755278), (52, 377639), (101, 194428), (202, 97214), (404, 48607), (1313, 14956), (2626, 7478), (3739, 5252)]