19527345

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 38246400

約数和(自身を除く): 18719055

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 115, 135, 171, 207, 285, 331, 345, 437, 513, 621, 855, 993, 1035, 1311, 1655, 2185, 2565, 2979, 3105, 3933, 4965, 6289, 6555, 7613, 8937, 11799, 14895, 18867, 19665, 22839, 31445, 38065, 44685, 56601, 58995, 68517, 94335, 114195, 144647, 169803, 205551, 283005, 342585, 433941, 723235, 849015, 1027755, 1301823, 2169705, 3905469, 6509115, 19527345]

約数ペア:

[(1, 19527345), (3, 6509115), (5, 3905469), (9, 2169705), (15, 1301823), (19, 1027755), (23, 849015), (27, 723235), (45, 433941), (57, 342585), (69, 283005), (95, 205551), (115, 169803), (135, 144647), (171, 114195), (207, 94335), (285, 68517), (331, 58995), (345, 56601), (437, 44685), (513, 38065), (621, 31445), (855, 22839), (993, 19665), (1035, 18867), (1311, 14895), (1655, 11799), (2185, 8937), (2565, 7613), (2979, 6555), (3105, 6289), (3933, 4965)]