19692660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25247}}^1$

素因数の和:25272

約数の個数: 48

約数和(自身を含む): 59383296

約数和(自身を除く): 39690636

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25247, 50494, 75741, 100988, 126235, 151482, 252470, 302964, 328211, 378705, 504940, 656422, 757410, 984633, 1312844, 1514820, 1641055, 1969266, 3282110, 3938532, 4923165, 6564220, 9846330, 19692660]

約数ペア:

[(1, 19692660), (2, 9846330), (3, 6564220), (4, 4923165), (5, 3938532), (6, 3282110), (10, 1969266), (12, 1641055), (13, 1514820), (15, 1312844), (20, 984633), (26, 757410), (30, 656422), (39, 504940), (52, 378705), (60, 328211), (65, 302964), (78, 252470), (130, 151482), (156, 126235), (195, 100988), (260, 75741), (390, 50494), (780, 25247)]