17970340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4561}}^1$

素因数の和:4767

約数の個数: 24

約数和(自身を含む): 37937592

約数和(自身を除く): 19967252

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4561, 9122, 18244, 22805, 45610, 91220, 898517, 1797034, 3594068, 4492585, 8985170, 17970340]

約数ペア:

[(1, 17970340), (2, 8985170), (4, 4492585), (5, 3594068), (10, 1797034), (20, 898517), (197, 91220), (394, 45610), (788, 22805), (985, 18244), (1970, 9122), (3940, 4561)]