18326900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1544

約数の個数: 36

約数和(自身を含む): 40101600

約数和(自身を除く): 21774700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 1399, 2620, 2798, 3275, 5596, 6550, 6995, 13100, 13990, 27980, 34975, 69950, 139900, 183269, 366538, 733076, 916345, 1832690, 3665380, 4581725, 9163450, 18326900]

約数ペア:

[(1, 18326900), (2, 9163450), (4, 4581725), (5, 3665380), (10, 1832690), (20, 916345), (25, 733076), (50, 366538), (100, 183269), (131, 139900), (262, 69950), (524, 34975), (655, 27980), (1310, 13990), (1399, 13100), (2620, 6995), (2798, 6550), (3275, 5596)]