31306642

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 24

約数和(自身を含む): 50090832

約数和(自身を除く): 18784190

約数列:

[1, 2, 19, 38, 131, 262, 331, 361, 662, 722, 2489, 4978, 6289, 12578, 43361, 47291, 86722, 94582, 119491, 238982, 823859, 1647718, 15653321, 31306642]

約数ペア:

[(1, 31306642), (2, 15653321), (19, 1647718), (38, 823859), (131, 238982), (262, 119491), (331, 94582), (361, 86722), (662, 47291), (722, 43361), (2489, 12578), (4978, 6289)]