18878482805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1121383}}^1$

素因数の和:1121445

約数の個数: 32

約数和(自身を含む): 28635661824

約数和(自身を除く): 9757179019

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 16835, 1121383, 5606915, 7849681, 14577979, 39248405, 41491171, 72889895, 102045853, 207455855, 290438197, 510229265, 539385223, 1452190985, 2696926115, 3775696561, 18878482805]

約数ペア:

[(1, 18878482805), (5, 3775696561), (7, 2696926115), (13, 1452190985), (35, 539385223), (37, 510229265), (65, 290438197), (91, 207455855), (185, 102045853), (259, 72889895), (455, 41491171), (481, 39248405), (1295, 14577979), (2405, 7849681), (3367, 5606915), (16835, 1121383)]