18180468

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{13649}}^1$

素因数の和:13696

約数の個数: 36

約数和(自身を含む): 47201700

約数和(自身を除く): 29021232

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 13649, 27298, 40947, 54596, 81894, 122841, 163788, 245682, 491364, 505013, 1010026, 1515039, 2020052, 3030078, 4545117, 6060156, 9090234, 18180468]

約数ペア:

[(1, 18180468), (2, 9090234), (3, 6060156), (4, 4545117), (6, 3030078), (9, 2020052), (12, 1515039), (18, 1010026), (36, 505013), (37, 491364), (74, 245682), (111, 163788), (148, 122841), (222, 81894), (333, 54596), (444, 40947), (666, 27298), (1332, 13649)]