18675980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4889}}^1$

素因数の和:5089

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 20756980

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4889, 9778, 19556, 24445, 48890, 97780, 933799, 1867598, 3735196, 4668995, 9337990, 18675980]

約数ペア:

[(1, 18675980), (2, 9337990), (4, 4668995), (5, 3735196), (10, 1867598), (20, 933799), (191, 97780), (382, 48890), (764, 24445), (955, 19556), (1910, 9778), (3820, 4889)]