19780914

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{106349}}^1$

素因数の和:106385

約数の個数: 16

約数和(自身を含む): 40838400

約数和(自身を除く): 21057486

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 106349, 212698, 319047, 638094, 3296819, 6593638, 9890457, 19780914]

約数ペア:

[(1, 19780914), (2, 9890457), (3, 6593638), (6, 3296819), (31, 638094), (62, 319047), (93, 212698), (186, 106349)]