19698780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{577}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 55349280

約数和(自身を除く): 35650500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 569, 577, 1138, 1154, 1707, 1731, 2276, 2308, 2845, 2885, 3414, 3462, 5690, 5770, 6828, 6924, 8535, 8655, 11380, 11540, 17070, 17310, 34140, 34620, 328313, 656626, 984939, 1313252, 1641565, 1969878, 3283130, 3939756, 4924695, 6566260, 9849390, 19698780]

約数ペア:

[(1, 19698780), (2, 9849390), (3, 6566260), (4, 4924695), (5, 3939756), (6, 3283130), (10, 1969878), (12, 1641565), (15, 1313252), (20, 984939), (30, 656626), (60, 328313), (569, 34620), (577, 34140), (1138, 17310), (1154, 17070), (1707, 11540), (1731, 11380), (2276, 8655), (2308, 8535), (2845, 6924), (2885, 6828), (3414, 5770), (3462, 5690)]