18872806

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 28814400

約数和(自身を除く): 9941594

約数列:

[1, 2, 89, 178, 229, 458, 463, 926, 20381, 40762, 41207, 82414, 106027, 212054, 9436403, 18872806]

約数ペア:

[(1, 18872806), (2, 9436403), (89, 212054), (178, 106027), (229, 82414), (458, 41207), (463, 40762), (926, 20381)]