19780003732

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{260263207}}^1$

素因数の和:260263230

約数の個数: 12

約数和(自身を含む): 36436849120

約数和(自身を除く): 16656845388

約数列:

[1, 2, 4, 19, 38, 76, 260263207, 520526414, 1041052828, 4945000933, 9890001866, 19780003732]

約数ペア:

[(1, 19780003732), (2, 9890001866), (4, 4945000933), (19, 1041052828), (38, 520526414), (76, 260263207)]