17989986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{769}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 23257374

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 557, 769, 1114, 1538, 1671, 2307, 3342, 3899, 4614, 5383, 7798, 10766, 11697, 16149, 23394, 32298, 428333, 856666, 1284999, 2569998, 2998331, 5996662, 8994993, 17989986]

約数ペア:

[(1, 17989986), (2, 8994993), (3, 5996662), (6, 2998331), (7, 2569998), (14, 1284999), (21, 856666), (42, 428333), (557, 32298), (769, 23394), (1114, 16149), (1538, 11697), (1671, 10766), (2307, 7798), (3342, 5383), (3899, 4614)]