19917888

素因数分解:

$2^6\times 3^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:699

約数の個数: 56

約数和(自身を含む): 53047392

約数和(自身を除く): 33129504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 227, 454, 457, 681, 908, 914, 1362, 1371, 1816, 1828, 2724, 2742, 3632, 3656, 5448, 5484, 7264, 7312, 10896, 10968, 14528, 14624, 21792, 21936, 29248, 43584, 43872, 87744, 103739, 207478, 311217, 414956, 622434, 829912, 1244868, 1659824, 2489736, 3319648, 4979472, 6639296, 9958944, 19917888]

約数ペア:

[(1, 19917888), (2, 9958944), (3, 6639296), (4, 4979472), (6, 3319648), (8, 2489736), (12, 1659824), (16, 1244868), (24, 829912), (32, 622434), (48, 414956), (64, 311217), (96, 207478), (192, 103739), (227, 87744), (454, 43872), (457, 43584), (681, 29248), (908, 21936), (914, 21792), (1362, 14624), (1371, 14528), (1816, 10968), (1828, 10896), (2724, 7312), (2742, 7264), (3632, 5484), (3656, 5448)]