1815693820844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1\times {\mathrm{319049}}^1$

素因数の和:319902

約数の個数: 48

約数和(自身を含む): 3381827904000

約数和(自身を除く): 1566134083156

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 727, 1454, 1957, 2908, 3914, 7828, 13813, 27626, 55252, 74881, 149762, 299524, 319049, 638098, 1276196, 1422739, 2845478, 5690956, 6061931, 12123862, 24247724, 32862047, 65724094, 131448188, 231948623, 463897246, 624378893, 927794492, 1248757786, 2497515572, 4407023837, 8814047674, 17628095348, 23890708169, 47781416338, 95562832676, 453923455211, 907846910422, 1815693820844]

約数ペア:

[(1, 1815693820844), (2, 907846910422), (4, 453923455211), (19, 95562832676), (38, 47781416338), (76, 23890708169), (103, 17628095348), (206, 8814047674), (412, 4407023837), (727, 2497515572), (1454, 1248757786), (1957, 927794492), (2908, 624378893), (3914, 463897246), (7828, 231948623), (13813, 131448188), (27626, 65724094), (55252, 32862047), (74881, 24247724), (149762, 12123862), (299524, 6061931), (319049, 5690956), (638098, 2845478), (1276196, 1422739)]