18221722

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 30991680

約数和(自身を除く): 12769958

約数列:

[1, 2, 17, 19, 34, 38, 67, 134, 323, 421, 646, 842, 1139, 1273, 2278, 2546, 7157, 7999, 14314, 15998, 21641, 28207, 43282, 56414, 135983, 271966, 479519, 535933, 959038, 1071866, 9110861, 18221722]

約数ペア:

[(1, 18221722), (2, 9110861), (17, 1071866), (19, 959038), (34, 535933), (38, 479519), (67, 271966), (134, 135983), (323, 56414), (421, 43282), (646, 28207), (842, 21641), (1139, 15998), (1273, 14314), (2278, 7999), (2546, 7157)]