20199113978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2519221}}^1$

素因数の和:2519453

約数の個数: 16

約数和(自身を含む): 32044503840

約数和(自身を除く): 11845389862

約数列:

[1, 2, 19, 38, 211, 422, 4009, 8018, 2519221, 5038442, 47865199, 95730398, 531555631, 1063111262, 10099556989, 20199113978]

約数ペア:

[(1, 20199113978), (2, 10099556989), (19, 1063111262), (38, 531555631), (211, 95730398), (422, 47865199), (4009, 5038442), (8018, 2519221)]