19809572

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 35431200

約数和(自身を除く): 15621628

約数列:

[1, 2, 4, 73, 146, 179, 292, 358, 379, 716, 758, 1516, 13067, 26134, 27667, 52268, 55334, 67841, 110668, 135682, 271364, 4952393, 9904786, 19809572]

約数ペア:

[(1, 19809572), (2, 9904786), (4, 4952393), (73, 271364), (146, 135682), (179, 110668), (292, 67841), (358, 55334), (379, 52268), (716, 27667), (758, 26134), (1516, 13067)]