17986740880

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{981809}}^1$

素因数の和:982051

約数の個数: 40

約数和(自身を含む): 42001831800

約数和(自身を除く): 24015090920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 981809, 1963618, 3927236, 4909045, 7854472, 9818090, 15708944, 19636180, 39272360, 78544720, 224834261, 449668522, 899337044, 1124171305, 1798674088, 2248342610, 3597348176, 4496685220, 8993370440, 17986740880]

約数ペア:

[(1, 17986740880), (2, 8993370440), (4, 4496685220), (5, 3597348176), (8, 2248342610), (10, 1798674088), (16, 1124171305), (20, 899337044), (40, 449668522), (80, 224834261), (229, 78544720), (458, 39272360), (916, 19636180), (1145, 15708944), (1832, 9818090), (2290, 7854472), (3664, 4909045), (4580, 3927236), (9160, 1963618), (18320, 981809)]