18220038

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{7213}}^1$

素因数の和:7639

約数の個数: 16

約数和(自身を含む): 36531696

約数和(自身を除く): 18311658

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 7213, 14426, 21639, 43278, 3036673, 6073346, 9110019, 18220038]

約数ペア:

[(1, 18220038), (2, 9110019), (3, 6073346), (6, 3036673), (421, 43278), (842, 21639), (1263, 14426), (2526, 7213)]