18881370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{69931}}^1$

素因数の和:69947

約数の個数: 32

約数和(自身を含む): 50351040

約数和(自身を除く): 31469670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 69931, 139862, 209793, 349655, 419586, 629379, 699310, 1048965, 1258758, 1888137, 2097930, 3146895, 3776274, 6293790, 9440685, 18881370]

約数ペア:

[(1, 18881370), (2, 9440685), (3, 6293790), (5, 3776274), (6, 3146895), (9, 2097930), (10, 1888137), (15, 1258758), (18, 1048965), (27, 699310), (30, 629379), (45, 419586), (54, 349655), (90, 209793), (135, 139862), (270, 69931)]