19243278

素因数分解:

$2^1\times 3^3\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 23680242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 367, 734, 971, 1101, 1942, 2202, 2913, 3303, 5826, 6606, 8739, 9909, 17478, 19818, 26217, 52434, 356357, 712714, 1069071, 2138142, 3207213, 6414426, 9621639, 19243278]

約数ペア:

[(1, 19243278), (2, 9621639), (3, 6414426), (6, 3207213), (9, 2138142), (18, 1069071), (27, 712714), (54, 356357), (367, 52434), (734, 26217), (971, 19818), (1101, 17478), (1942, 9909), (2202, 8739), (2913, 6606), (3303, 5826)]