19420672

素因数分解:

$2^9\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 40

約数和(自身を含む): 39356856

約数和(自身を除く): 19936184

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 457, 512, 664, 914, 1328, 1828, 2656, 3656, 5312, 7312, 10624, 14624, 21248, 29248, 37931, 42496, 58496, 75862, 116992, 151724, 233984, 303448, 606896, 1213792, 2427584, 4855168, 9710336, 19420672]

約数ペア:

[(1, 19420672), (2, 9710336), (4, 4855168), (8, 2427584), (16, 1213792), (32, 606896), (64, 303448), (83, 233984), (128, 151724), (166, 116992), (256, 75862), (332, 58496), (457, 42496), (512, 37931), (664, 29248), (914, 21248), (1328, 14624), (1828, 10624), (2656, 7312), (3656, 5312)]