19087782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 45702144

約数和(自身を除く): 26614362

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 71, 74, 111, 142, 173, 213, 222, 259, 346, 426, 497, 518, 519, 777, 994, 1038, 1211, 1491, 1554, 2422, 2627, 2982, 3633, 5254, 6401, 7266, 7881, 12283, 12802, 15762, 18389, 19203, 24566, 36778, 36849, 38406, 44807, 55167, 73698, 85981, 89614, 110334, 134421, 171962, 257943, 268842, 454471, 515886, 908942, 1363413, 2726826, 3181297, 6362594, 9543891, 19087782]

約数ペア:

[(1, 19087782), (2, 9543891), (3, 6362594), (6, 3181297), (7, 2726826), (14, 1363413), (21, 908942), (37, 515886), (42, 454471), (71, 268842), (74, 257943), (111, 171962), (142, 134421), (173, 110334), (213, 89614), (222, 85981), (259, 73698), (346, 55167), (426, 44807), (497, 38406), (518, 36849), (519, 36778), (777, 24566), (994, 19203), (1038, 18389), (1211, 15762), (1491, 12802), (1554, 12283), (2422, 7881), (2627, 7266), (2982, 6401), (3633, 5254)]