19238660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27330940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1049, 1310, 1834, 2098, 2620, 3668, 4196, 4585, 5245, 7343, 9170, 10490, 14686, 18340, 20980, 29372, 36715, 73430, 137419, 146860, 274838, 549676, 687095, 961933, 1374190, 1923866, 2748380, 3847732, 4809665, 9619330, 19238660]

約数ペア:

[(1, 19238660), (2, 9619330), (4, 4809665), (5, 3847732), (7, 2748380), (10, 1923866), (14, 1374190), (20, 961933), (28, 687095), (35, 549676), (70, 274838), (131, 146860), (140, 137419), (262, 73430), (524, 36715), (655, 29372), (917, 20980), (1049, 18340), (1310, 14686), (1834, 10490), (2098, 9170), (2620, 7343), (3668, 5245), (4196, 4585)]