42499998

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1801}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 103795200

約数和(自身を除く): 61295202

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 874, 1026, 1242, 1311, 1801, 2622, 3602, 3933, 5403, 7866, 10806, 11799, 16209, 23598, 32418, 34219, 41423, 48627, 68438, 82846, 97254, 102657, 124269, 205314, 248538, 307971, 372807, 615942, 745614, 787037, 923913, 1118421, 1574074, 1847826, 2236842, 2361111, 4722222, 7083333, 14166666, 21249999, 42499998]

約数ペア:

[(1, 42499998), (2, 21249999), (3, 14166666), (6, 7083333), (9, 4722222), (18, 2361111), (19, 2236842), (23, 1847826), (27, 1574074), (38, 1118421), (46, 923913), (54, 787037), (57, 745614), (69, 615942), (114, 372807), (138, 307971), (171, 248538), (207, 205314), (342, 124269), (414, 102657), (437, 97254), (513, 82846), (621, 68438), (874, 48627), (1026, 41423), (1242, 34219), (1311, 32418), (1801, 23598), (2622, 16209), (3602, 11799), (3933, 10806), (5403, 7866)]