18880993312

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{197137}}^1$

素因数の和:197261

約数の個数: 48

約数和(自身を含む): 38600408952

約数和(自身を除く): 19719415640

約数列:

[1, 2, 4, 8, 16, 32, 41, 73, 82, 146, 164, 292, 328, 584, 656, 1168, 1312, 2336, 2993, 5986, 11972, 23944, 47888, 95776, 197137, 394274, 788548, 1577096, 3154192, 6308384, 8082617, 14391001, 16165234, 28782002, 32330468, 57564004, 64660936, 115128008, 129321872, 230256016, 258643744, 460512032, 590031041, 1180062082, 2360124164, 4720248328, 9440496656, 18880993312]

約数ペア:

[(1, 18880993312), (2, 9440496656), (4, 4720248328), (8, 2360124164), (16, 1180062082), (32, 590031041), (41, 460512032), (73, 258643744), (82, 230256016), (146, 129321872), (164, 115128008), (292, 64660936), (328, 57564004), (584, 32330468), (656, 28782002), (1168, 16165234), (1312, 14391001), (2336, 8082617), (2993, 6308384), (5986, 3154192), (11972, 1577096), (23944, 788548), (47888, 394274), (95776, 197137)]