19221333

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 27487488

約数和(自身を除く): 8266155

約数列:

[1, 3, 31, 41, 71, 93, 123, 213, 1271, 2201, 2911, 3813, 5041, 6603, 8733, 15123, 90241, 156271, 206681, 270723, 468813, 620043, 6407111, 19221333]

約数ペア:

[(1, 19221333), (3, 6407111), (31, 620043), (41, 468813), (71, 270723), (93, 206681), (123, 156271), (213, 90241), (1271, 15123), (2201, 8733), (2911, 6603), (3813, 5041)]