18080838

素因数分解:

$2^1\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1997}}^1$

素因数の和:2508

約数の個数: 24

約数和(自身を含む): 39272688

約数和(自身を除く): 21191850

約数列:

[1, 2, 3, 6, 9, 18, 503, 1006, 1509, 1997, 3018, 3994, 4527, 5991, 9054, 11982, 17973, 35946, 1004491, 2008982, 3013473, 6026946, 9040419, 18080838]

約数ペア:

[(1, 18080838), (2, 9040419), (3, 6026946), (6, 3013473), (9, 2008982), (18, 1004491), (503, 35946), (1006, 17973), (1509, 11982), (1997, 9054), (3018, 5991), (3994, 4527)]