19818186

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{45247}}^1$

素因数の和:45325

約数の個数: 16

約数和(自身を含む): 40180224

約数和(自身を除く): 20362038

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 45247, 90494, 135741, 271482, 3303031, 6606062, 9909093, 19818186]

約数ペア:

[(1, 19818186), (2, 9909093), (3, 6606062), (6, 3303031), (73, 271482), (146, 135741), (219, 90494), (438, 45247)]