18500260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22142300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 191, 290, 334, 382, 580, 668, 764, 835, 955, 1670, 1910, 3340, 3820, 4843, 5539, 9686, 11078, 19372, 22156, 24215, 27695, 31897, 48430, 55390, 63794, 96860, 110780, 127588, 159485, 318970, 637940, 925013, 1850026, 3700052, 4625065, 9250130, 18500260]

約数ペア:

[(1, 18500260), (2, 9250130), (4, 4625065), (5, 3700052), (10, 1850026), (20, 925013), (29, 637940), (58, 318970), (116, 159485), (145, 127588), (167, 110780), (191, 96860), (290, 63794), (334, 55390), (382, 48430), (580, 31897), (668, 27695), (764, 24215), (835, 22156), (955, 19372), (1670, 11078), (1910, 9686), (3340, 5539), (3820, 4843)]