19808370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2269}}^1$

素因数の和:2379

約数の個数: 48

約数和(自身を含む): 52055640

約数和(自身を除く): 32247270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2269, 2910, 4365, 4538, 6807, 8730, 11345, 13614, 20421, 22690, 34035, 40842, 68070, 102105, 204210, 220093, 440186, 660279, 1100465, 1320558, 1980837, 2200930, 3301395, 3961674, 6602790, 9904185, 19808370]

約数ペア:

[(1, 19808370), (2, 9904185), (3, 6602790), (5, 3961674), (6, 3301395), (9, 2200930), (10, 1980837), (15, 1320558), (18, 1100465), (30, 660279), (45, 440186), (90, 220093), (97, 204210), (194, 102105), (291, 68070), (485, 40842), (582, 34035), (873, 22690), (970, 20421), (1455, 13614), (1746, 11345), (2269, 8730), (2910, 6807), (4365, 4538)]