18985695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 32044032

約数和(自身を除く): 13058337

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 487, 565, 1461, 1695, 2435, 2599, 7305, 7797, 11201, 12995, 33603, 38985, 55031, 56005, 165093, 168015, 275155, 825465, 1265713, 3797139, 6328565, 18985695]

約数ペア:

[(1, 18985695), (3, 6328565), (5, 3797139), (15, 1265713), (23, 825465), (69, 275155), (113, 168015), (115, 165093), (339, 56005), (345, 55031), (487, 38985), (565, 33603), (1461, 12995), (1695, 11201), (2435, 7797), (2599, 7305)]