19775916

素因数分解:

$2^2\times 3^2\times {\mathrm{549331}}^1$

素因数の和:549341

約数の個数: 18

約数和(自身を含む): 49989212

約数和(自身を除く): 30213296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 549331, 1098662, 1647993, 2197324, 3295986, 4943979, 6591972, 9887958, 19775916]

約数ペア:

[(1, 19775916), (2, 9887958), (3, 6591972), (4, 4943979), (6, 3295986), (9, 2197324), (12, 1647993), (18, 1098662), (36, 549331)]