19744110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 51554880

約数和(自身を除く): 31810770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 509, 862, 1018, 1293, 1527, 2155, 2545, 2586, 3054, 3879, 4310, 4581, 5090, 6465, 7635, 7758, 9162, 12930, 15270, 19395, 22905, 38790, 45810, 219379, 438758, 658137, 1096895, 1316274, 1974411, 2193790, 3290685, 3948822, 6581370, 9872055, 19744110]

約数ペア:

[(1, 19744110), (2, 9872055), (3, 6581370), (5, 3948822), (6, 3290685), (9, 2193790), (10, 1974411), (15, 1316274), (18, 1096895), (30, 658137), (45, 438758), (90, 219379), (431, 45810), (509, 38790), (862, 22905), (1018, 19395), (1293, 15270), (1527, 12930), (2155, 9162), (2545, 7758), (2586, 7635), (3054, 6465), (3879, 5090), (4310, 4581)]