19246112

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 39517632

約数和(自身を除く): 20271520

約数列:

[1, 2, 4, 8, 16, 32, 43, 71, 86, 142, 172, 197, 284, 344, 394, 568, 688, 788, 1136, 1376, 1576, 2272, 3053, 3152, 6106, 6304, 8471, 12212, 13987, 16942, 24424, 27974, 33884, 48848, 55948, 67768, 97696, 111896, 135536, 223792, 271072, 447584, 601441, 1202882, 2405764, 4811528, 9623056, 19246112]

約数ペア:

[(1, 19246112), (2, 9623056), (4, 4811528), (8, 2405764), (16, 1202882), (32, 601441), (43, 447584), (71, 271072), (86, 223792), (142, 135536), (172, 111896), (197, 97696), (284, 67768), (344, 55948), (394, 48848), (568, 33884), (688, 27974), (788, 24424), (1136, 16942), (1376, 13987), (1576, 12212), (2272, 8471), (3053, 6304), (3152, 6106)]