1800292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 3439800

約数和(自身を除く): 1639508

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 389, 778, 1157, 1556, 2314, 4628, 5057, 10114, 20228, 34621, 69242, 138484, 450073, 900146, 1800292]

約数ペア:

[(1, 1800292), (2, 900146), (4, 450073), (13, 138484), (26, 69242), (52, 34621), (89, 20228), (178, 10114), (356, 5057), (389, 4628), (778, 2314), (1157, 1556)]