18734720545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1608821}}^1$

素因数の和:1608980

約数の個数: 16

約数和(自身を含む): 23977883088

約数和(自身を除く): 5243162543

約数列:

[1, 5, 17, 85, 137, 685, 2329, 11645, 1608821, 8044105, 27349957, 136749785, 220408477, 1102042385, 3746944109, 18734720545]

約数ペア:

[(1, 18734720545), (5, 3746944109), (17, 1102042385), (85, 220408477), (137, 136749785), (685, 27349957), (2329, 8044105), (11645, 1608821)]