18675356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 39868416

約数和(自身を除く): 21193060

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 617, 644, 658, 1081, 1234, 1316, 2162, 2468, 4319, 4324, 7567, 8638, 14191, 15134, 17276, 28382, 28999, 30268, 56764, 57998, 99337, 115996, 198674, 202993, 397348, 405986, 666977, 811972, 1333954, 2667908, 4668839, 9337678, 18675356]

約数ペア:

[(1, 18675356), (2, 9337678), (4, 4668839), (7, 2667908), (14, 1333954), (23, 811972), (28, 666977), (46, 405986), (47, 397348), (92, 202993), (94, 198674), (161, 115996), (188, 99337), (322, 57998), (329, 56764), (617, 30268), (644, 28999), (658, 28382), (1081, 17276), (1234, 15134), (1316, 14191), (2162, 8638), (2468, 7567), (4319, 4324)]