19500660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 59675616

約数和(自身を除く): 40174956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 827, 1179, 1310, 1572, 1654, 1965, 2358, 2481, 2620, 3308, 3930, 4135, 4716, 4962, 5895, 7443, 7860, 8270, 9924, 11790, 12405, 14886, 16540, 23580, 24810, 29772, 37215, 49620, 74430, 108337, 148860, 216674, 325011, 433348, 541685, 650022, 975033, 1083370, 1300044, 1625055, 1950066, 2166740, 3250110, 3900132, 4875165, 6500220, 9750330, 19500660]

約数ペア:

[(1, 19500660), (2, 9750330), (3, 6500220), (4, 4875165), (5, 3900132), (6, 3250110), (9, 2166740), (10, 1950066), (12, 1625055), (15, 1300044), (18, 1083370), (20, 975033), (30, 650022), (36, 541685), (45, 433348), (60, 325011), (90, 216674), (131, 148860), (180, 108337), (262, 74430), (393, 49620), (524, 37215), (655, 29772), (786, 24810), (827, 23580), (1179, 16540), (1310, 14886), (1572, 12405), (1654, 11790), (1965, 9924), (2358, 8270), (2481, 7860), (2620, 7443), (3308, 5895), (3930, 4962), (4135, 4716)]