18389640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{153247}}^1$

素因数の和:153261

約数の個数: 32

約数和(自身を含む): 55169280

約数和(自身を除く): 36779640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 153247, 306494, 459741, 612988, 766235, 919482, 1225976, 1532470, 1838964, 2298705, 3064940, 3677928, 4597410, 6129880, 9194820, 18389640]

約数ペア:

[(1, 18389640), (2, 9194820), (3, 6129880), (4, 4597410), (5, 3677928), (6, 3064940), (8, 2298705), (10, 1838964), (12, 1532470), (15, 1225976), (20, 919482), (24, 766235), (30, 612988), (40, 459741), (60, 306494), (120, 153247)]