19742368

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1709}}^1$

素因数の和:1757

約数の個数: 36

約数和(自身を含む): 41045130

約数和(自身を除く): 21302762

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 1709, 2888, 3418, 5776, 6836, 11552, 13672, 27344, 32471, 54688, 64942, 129884, 259768, 519536, 616949, 1039072, 1233898, 2467796, 4935592, 9871184, 19742368]

約数ペア:

[(1, 19742368), (2, 9871184), (4, 4935592), (8, 2467796), (16, 1233898), (19, 1039072), (32, 616949), (38, 519536), (76, 259768), (152, 129884), (304, 64942), (361, 54688), (608, 32471), (722, 27344), (1444, 13672), (1709, 11552), (2888, 6836), (3418, 5776)]