19807890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38839}}^1$

素因数の和:38866

約数の個数: 32

約数和(自身を含む): 50336640

約数和(自身を除く): 30528750

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 38839, 77678, 116517, 194195, 233034, 388390, 582585, 660263, 1165170, 1320526, 1980789, 3301315, 3961578, 6602630, 9903945, 19807890]

約数ペア:

[(1, 19807890), (2, 9903945), (3, 6602630), (5, 3961578), (6, 3301315), (10, 1980789), (15, 1320526), (17, 1165170), (30, 660263), (34, 582585), (51, 388390), (85, 233034), (102, 194195), (170, 116517), (255, 77678), (510, 38839)]