18214803

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 28735200

約数和(自身を除く): 10520397

約数列:

[1, 3, 9, 17, 47, 51, 141, 149, 153, 289, 423, 447, 799, 867, 1341, 2397, 2533, 2601, 7003, 7191, 7599, 13583, 21009, 22797, 40749, 43061, 63027, 119051, 122247, 129183, 357153, 387549, 1071459, 2023867, 6071601, 18214803]

約数ペア:

[(1, 18214803), (3, 6071601), (9, 2023867), (17, 1071459), (47, 387549), (51, 357153), (141, 129183), (149, 122247), (153, 119051), (289, 63027), (423, 43061), (447, 40749), (799, 22797), (867, 21009), (1341, 13583), (2397, 7599), (2533, 7191), (2601, 7003)]