2018673009

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{167261}}^1$

素因数の和:167422

約数の個数: 20

約数和(自身を含む): 3035805300

約数和(自身を除く): 1017132291

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 167261, 501783, 1505349, 4516047, 13548141, 24921889, 74765667, 224297001, 672891003, 2018673009]

約数ペア:

[(1, 2018673009), (3, 672891003), (9, 224297001), (27, 74765667), (81, 24921889), (149, 13548141), (447, 4516047), (1341, 1505349), (4023, 501783), (12069, 167261)]