18229617

素因数分解:

$3^5\times 7^2\times {\mathrm{1531}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 31785936

約数和(自身を除く): 13556319

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1531, 1701, 3969, 4593, 10717, 11907, 13779, 32151, 41337, 75019, 96453, 124011, 225057, 289359, 372033, 675171, 868077, 2025513, 2604231, 6076539, 18229617]

約数ペア:

[(1, 18229617), (3, 6076539), (7, 2604231), (9, 2025513), (21, 868077), (27, 675171), (49, 372033), (63, 289359), (81, 225057), (147, 124011), (189, 96453), (243, 75019), (441, 41337), (567, 32151), (1323, 13779), (1531, 11907), (1701, 10717), (3969, 4593)]