18806615552

素因数分解:

$2^9\times {\mathrm{239}}^1\times {\mathrm{153689}}^1$

素因数の和:153946

約数の個数: 40

約数和(自身を含む): 37733968800

約数和(自身を除く): 18927353248

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 478, 512, 956, 1912, 3824, 7648, 15296, 30592, 61184, 122368, 153689, 307378, 614756, 1229512, 2459024, 4918048, 9836096, 19672192, 36731671, 39344384, 73463342, 78688768, 146926684, 293853368, 587706736, 1175413472, 2350826944, 4701653888, 9403307776, 18806615552]

約数ペア:

[(1, 18806615552), (2, 9403307776), (4, 4701653888), (8, 2350826944), (16, 1175413472), (32, 587706736), (64, 293853368), (128, 146926684), (239, 78688768), (256, 73463342), (478, 39344384), (512, 36731671), (956, 19672192), (1912, 9836096), (3824, 4918048), (7648, 2459024), (15296, 1229512), (30592, 614756), (61184, 307378), (122368, 153689)]