18927601

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{613}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 23695488

約数和(自身を除く): 4767887

約数列:

[1, 7, 11, 77, 401, 613, 2807, 4291, 4411, 6743, 30877, 47201, 245813, 1720691, 2703943, 18927601]

約数ペア:

[(1, 18927601), (7, 2703943), (11, 1720691), (77, 245813), (401, 47201), (613, 30877), (2807, 6743), (4291, 4411)]