18699838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12404162

約数列:

[1, 2, 19, 29, 38, 58, 71, 142, 239, 478, 551, 1102, 1349, 2059, 2698, 4118, 4541, 6931, 9082, 13862, 16969, 33938, 39121, 78242, 131689, 263378, 322411, 492101, 644822, 984202, 9349919, 18699838]

約数ペア:

[(1, 18699838), (2, 9349919), (19, 984202), (29, 644822), (38, 492101), (58, 322411), (71, 263378), (142, 131689), (239, 78242), (478, 39121), (551, 33938), (1102, 16969), (1349, 13862), (2059, 9082), (2698, 6931), (4118, 4541)]