19968156932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1\times {\mathrm{4789}}^1$

素因数の和:5556

約数の個数: 48

約数和(自身を含む): 37290724800

約数和(自身を除く): 17322567868

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 332, 661, 1322, 1577, 2644, 3154, 4789, 6308, 9578, 12559, 19156, 25118, 50236, 54863, 90991, 109726, 181982, 219452, 363964, 397487, 794974, 1042397, 1589948, 2084794, 3165529, 4169588, 6331058, 7552253, 12662116, 15104506, 30209012, 60145051, 120290102, 240580204, 262738907, 525477814, 1050955628, 4992039233, 9984078466, 19968156932]

約数ペア:

[(1, 19968156932), (2, 9984078466), (4, 4992039233), (19, 1050955628), (38, 525477814), (76, 262738907), (83, 240580204), (166, 120290102), (332, 60145051), (661, 30209012), (1322, 15104506), (1577, 12662116), (2644, 7552253), (3154, 6331058), (4789, 4169588), (6308, 3165529), (9578, 2084794), (12559, 1589948), (19156, 1042397), (25118, 794974), (50236, 397487), (54863, 363964), (90991, 219452), (109726, 181982)]