18097700

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1472

約数の個数: 36

約数和(自身を含む): 39588612

約数和(自身を除く): 21490912

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1321, 1370, 2642, 2740, 3425, 5284, 6605, 6850, 13210, 13700, 26420, 33025, 66050, 132100, 180977, 361954, 723908, 904885, 1809770, 3619540, 4524425, 9048850, 18097700]

約数ペア:

[(1, 18097700), (2, 9048850), (4, 4524425), (5, 3619540), (10, 1809770), (20, 904885), (25, 723908), (50, 361954), (100, 180977), (137, 132100), (274, 66050), (548, 33025), (685, 26420), (1321, 13700), (1370, 13210), (2642, 6850), (2740, 6605), (3425, 5284)]