19466180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 42268800

約数和(自身を除く): 22802620

約数列:

[1, 2, 4, 5, 10, 20, 67, 73, 134, 146, 199, 268, 292, 335, 365, 398, 670, 730, 796, 995, 1340, 1460, 1990, 3980, 4891, 9782, 13333, 14527, 19564, 24455, 26666, 29054, 48910, 53332, 58108, 66665, 72635, 97820, 133330, 145270, 266660, 290540, 973309, 1946618, 3893236, 4866545, 9733090, 19466180]

約数ペア:

[(1, 19466180), (2, 9733090), (4, 4866545), (5, 3893236), (10, 1946618), (20, 973309), (67, 290540), (73, 266660), (134, 145270), (146, 133330), (199, 97820), (268, 72635), (292, 66665), (335, 58108), (365, 53332), (398, 48910), (670, 29054), (730, 26666), (796, 24455), (995, 19564), (1340, 14527), (1460, 13333), (1990, 9782), (3980, 4891)]