18849922

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 36260352

約数和(自身を除く): 17410430

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 257, 338, 403, 434, 514, 806, 1183, 1799, 2366, 2821, 3341, 3598, 5239, 5642, 6682, 7967, 10478, 15934, 23387, 36673, 43433, 46774, 55769, 73346, 86866, 103571, 111538, 207142, 304031, 608062, 724997, 1346423, 1449994, 2692846, 9424961, 18849922]

約数ペア:

[(1, 18849922), (2, 9424961), (7, 2692846), (13, 1449994), (14, 1346423), (26, 724997), (31, 608062), (62, 304031), (91, 207142), (169, 111538), (182, 103571), (217, 86866), (257, 73346), (338, 55769), (403, 46774), (434, 43433), (514, 36673), (806, 23387), (1183, 15934), (1799, 10478), (2366, 7967), (2821, 6682), (3341, 5642), (3598, 5239)]