18710960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10169}}^1$

素因数の和:10205

約数の個数: 40

約数和(自身を含む): 45398880

約数和(自身を除く): 26687920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10169, 20338, 40676, 50845, 81352, 101690, 162704, 203380, 233887, 406760, 467774, 813520, 935548, 1169435, 1871096, 2338870, 3742192, 4677740, 9355480, 18710960]

約数ペア:

[(1, 18710960), (2, 9355480), (4, 4677740), (5, 3742192), (8, 2338870), (10, 1871096), (16, 1169435), (20, 935548), (23, 813520), (40, 467774), (46, 406760), (80, 233887), (92, 203380), (115, 162704), (184, 101690), (230, 81352), (368, 50845), (460, 40676), (920, 20338), (1840, 10169)]