18379860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{306331}}^1$

素因数の和:306343

約数の個数: 24

約数和(自身を含む): 51463776

約数和(自身を除く): 33083916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 306331, 612662, 918993, 1225324, 1531655, 1837986, 3063310, 3675972, 4594965, 6126620, 9189930, 18379860]

約数ペア:

[(1, 18379860), (2, 9189930), (3, 6126620), (4, 4594965), (5, 3675972), (6, 3063310), (10, 1837986), (12, 1531655), (15, 1225324), (20, 918993), (30, 612662), (60, 306331)]