18976828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21467}}^1$

素因数の和:21501

約数の個数: 24

約数和(自身を含む): 37869552

約数和(自身を除く): 18892724

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21467, 42934, 85868, 279071, 364939, 558142, 729878, 1116284, 1459756, 4744207, 9488414, 18976828]

約数ペア:

[(1, 18976828), (2, 9488414), (4, 4744207), (13, 1459756), (17, 1116284), (26, 729878), (34, 558142), (52, 364939), (68, 279071), (221, 85868), (442, 42934), (884, 21467)]