19942810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 17216102

約数列:

[1, 2, 5, 10, 41, 82, 127, 205, 254, 383, 410, 635, 766, 1270, 1915, 3830, 5207, 10414, 15703, 26035, 31406, 48641, 52070, 78515, 97282, 157030, 243205, 486410, 1994281, 3988562, 9971405, 19942810]

約数ペア:

[(1, 19942810), (2, 9971405), (5, 3988562), (10, 1994281), (41, 486410), (82, 243205), (127, 157030), (205, 97282), (254, 78515), (383, 52070), (410, 48641), (635, 31406), (766, 26035), (1270, 15703), (1915, 10414), (3830, 5207)]