19914011477

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{143743}}^1$

素因数の和:143924

約数の個数: 16

約数和(自身を含む): 21251112960

約数和(自身を除く): 1337101483

約数列:

[1, 31, 41, 109, 1271, 3379, 4469, 138539, 143743, 4456033, 5893463, 15667987, 182697353, 485707597, 642387467, 19914011477]

約数ペア:

[(1, 19914011477), (31, 642387467), (41, 485707597), (109, 182697353), (1271, 15667987), (3379, 5893463), (4469, 4456033), (138539, 143743)]