19603496

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2503}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 40564800

約数和(自身を除く): 20961304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2503, 3916, 5006, 7832, 10012, 20024, 27533, 55066, 110132, 220264, 222767, 445534, 891068, 1782136, 2450437, 4900874, 9801748, 19603496]

約数ペア:

[(1, 19603496), (2, 9801748), (4, 4900874), (8, 2450437), (11, 1782136), (22, 891068), (44, 445534), (88, 222767), (89, 220264), (178, 110132), (356, 55066), (712, 27533), (979, 20024), (1958, 10012), (2503, 7832), (3916, 5006)]