19432660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 45384192

約数和(自身を除く): 25951532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2411, 4030, 4822, 8060, 9644, 12055, 24110, 31343, 48220, 62686, 74741, 125372, 149482, 156715, 298964, 313430, 373705, 626860, 747410, 971633, 1494820, 1943266, 3886532, 4858165, 9716330, 19432660]

約数ペア:

[(1, 19432660), (2, 9716330), (4, 4858165), (5, 3886532), (10, 1943266), (13, 1494820), (20, 971633), (26, 747410), (31, 626860), (52, 373705), (62, 313430), (65, 298964), (124, 156715), (130, 149482), (155, 125372), (260, 74741), (310, 62686), (403, 48220), (620, 31343), (806, 24110), (1612, 12055), (2015, 9644), (2411, 8060), (4030, 4822)]