18326620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70487}}^1$

素因数の和:70509

約数の個数: 24

約数和(自身を含む): 41446944

約数和(自身を除く): 23120324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70487, 140974, 281948, 352435, 704870, 916331, 1409740, 1832662, 3665324, 4581655, 9163310, 18326620]

約数ペア:

[(1, 18326620), (2, 9163310), (4, 4581655), (5, 3665324), (10, 1832662), (13, 1409740), (20, 916331), (26, 704870), (52, 352435), (65, 281948), (130, 140974), (260, 70487)]