18725944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 37170000

約数和(自身を除く): 18444056

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 349, 353, 698, 706, 1396, 1412, 2792, 2824, 6631, 6707, 13262, 13414, 26524, 26828, 53048, 53656, 123197, 246394, 492788, 985576, 2340743, 4681486, 9362972, 18725944]

約数ペア:

[(1, 18725944), (2, 9362972), (4, 4681486), (8, 2340743), (19, 985576), (38, 492788), (76, 246394), (152, 123197), (349, 53656), (353, 53048), (698, 26828), (706, 26524), (1396, 13414), (1412, 13262), (2792, 6707), (2824, 6631)]