19956802

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 24

約数和(自身を含む): 31985712

約数和(自身を除く): 12028910

約数列:

[1, 2, 19, 38, 131, 211, 262, 361, 422, 722, 2489, 4009, 4978, 8018, 27641, 47291, 55282, 76171, 94582, 152342, 525179, 1050358, 9978401, 19956802]

約数ペア:

[(1, 19956802), (2, 9978401), (19, 1050358), (38, 525179), (131, 152342), (211, 94582), (262, 76171), (361, 55282), (422, 47291), (722, 27641), (2489, 8018), (4009, 4978)]