18075380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6899}}^1$

素因数の和:7039

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 20178220

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6899, 13798, 27596, 34495, 68990, 137980, 903769, 1807538, 3615076, 4518845, 9037690, 18075380]

約数ペア:

[(1, 18075380), (2, 9037690), (4, 4518845), (5, 3615076), (10, 1807538), (20, 903769), (131, 137980), (262, 68990), (524, 34495), (655, 27596), (1310, 13798), (2620, 6899)]