18996870440

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1096817}}^1$

素因数の和:1097261

約数の個数: 32

約数和(自身を含む): 42841711080

約数和(自身を除く): 23844840640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 4330, 8660, 17320, 1096817, 2193634, 4387268, 5484085, 8774536, 10968170, 21936340, 43872680, 474921761, 949843522, 1899687044, 2374608805, 3799374088, 4749217610, 9498435220, 18996870440]

約数ペア:

[(1, 18996870440), (2, 9498435220), (4, 4749217610), (5, 3799374088), (8, 2374608805), (10, 1899687044), (20, 949843522), (40, 474921761), (433, 43872680), (866, 21936340), (1732, 10968170), (2165, 8774536), (3464, 5484085), (4330, 4387268), (8660, 2193634), (17320, 1096817)]