19904766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473923}}^1$

素因数の和:473935

約数の個数: 16

約数和(自身を含む): 45496704

約数和(自身を除く): 25591938

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473923, 947846, 1421769, 2843538, 3317461, 6634922, 9952383, 19904766]

約数ペア:

[(1, 19904766), (2, 9952383), (3, 6634922), (6, 3317461), (7, 2843538), (14, 1421769), (21, 947846), (42, 473923)]