18757573775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{2287}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 25329807360

約数和(自身を除く): 6572233585

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 557, 589, 775, 2287, 2785, 2945, 10583, 11435, 13925, 14725, 17267, 43453, 52915, 57175, 70897, 86335, 217265, 264575, 328073, 354485, 431675, 1086325, 1273859, 1347043, 1640365, 1772425, 6369295, 6735215, 8201825, 24203321, 31846475, 33676075, 39489629, 121016605, 197448145, 605083025, 750302951, 987240725, 3751514755, 18757573775]

約数ペア:

[(1, 18757573775), (5, 3751514755), (19, 987240725), (25, 750302951), (31, 605083025), (95, 197448145), (155, 121016605), (475, 39489629), (557, 33676075), (589, 31846475), (775, 24203321), (2287, 8201825), (2785, 6735215), (2945, 6369295), (10583, 1772425), (11435, 1640365), (13925, 1347043), (14725, 1273859), (17267, 1086325), (43453, 431675), (52915, 354485), (57175, 328073), (70897, 264575), (86335, 217265)]