19269968

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16963}}^1$

素因数の和:17042

約数の個数: 20

約数和(自身を含む): 37863648

約数和(自身を除く): 18593680

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16963, 33926, 67852, 135704, 271408, 1204373, 2408746, 4817492, 9634984, 19269968]

約数ペア:

[(1, 19269968), (2, 9634984), (4, 4817492), (8, 2408746), (16, 1204373), (71, 271408), (142, 135704), (284, 67852), (568, 33926), (1136, 16963)]