18512654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 30369600

約数和(自身を除く): 11856946

約数列:

[1, 2, 23, 37, 46, 73, 74, 146, 149, 298, 851, 1679, 1702, 2701, 3358, 3427, 5402, 5513, 6854, 10877, 11026, 21754, 62123, 124246, 126799, 250171, 253598, 402449, 500342, 804898, 9256327, 18512654]

約数ペア:

[(1, 18512654), (2, 9256327), (23, 804898), (37, 500342), (46, 402449), (73, 253598), (74, 250171), (146, 126799), (149, 124246), (298, 62123), (851, 21754), (1679, 11026), (1702, 10877), (2701, 6854), (3358, 5513), (3427, 5402)]