19180278

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{81967}}^1$

素因数の和:81988

約数の個数: 24

約数和(自身を含む): 44754528

約数和(自身を除く): 25574250

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 81967, 163934, 245901, 491802, 737703, 1065571, 1475406, 2131142, 3196713, 6393426, 9590139, 19180278]

約数ペア:

[(1, 19180278), (2, 9590139), (3, 6393426), (6, 3196713), (9, 2131142), (13, 1475406), (18, 1065571), (26, 737703), (39, 491802), (78, 245901), (117, 163934), (234, 81967)]