18390246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2531}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 42294528

約数和(自身を除く): 23904282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 173, 346, 519, 1038, 1211, 2422, 2531, 3633, 5062, 7266, 7593, 15186, 17717, 35434, 53151, 106302, 437863, 875726, 1313589, 2627178, 3065041, 6130082, 9195123, 18390246]

約数ペア:

[(1, 18390246), (2, 9195123), (3, 6130082), (6, 3065041), (7, 2627178), (14, 1313589), (21, 875726), (42, 437863), (173, 106302), (346, 53151), (519, 35434), (1038, 17717), (1211, 15186), (2422, 7593), (2531, 7266), (3633, 5062)]