18377138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13072462

約数列:

[1, 2, 13, 23, 26, 46, 79, 158, 299, 389, 598, 778, 1027, 1817, 2054, 3634, 5057, 8947, 10114, 17894, 23621, 30731, 47242, 61462, 116311, 232622, 399503, 706813, 799006, 1413626, 9188569, 18377138]

約数ペア:

[(1, 18377138), (2, 9188569), (13, 1413626), (23, 799006), (26, 706813), (46, 399503), (79, 232622), (158, 116311), (299, 61462), (389, 47242), (598, 30731), (778, 23621), (1027, 17894), (1817, 10114), (2054, 8947), (3634, 5057)]