19280360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1511}}^1$

素因数の和:1562

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29708440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1511, 1595, 2552, 3022, 3190, 6044, 6380, 7555, 12088, 12760, 15110, 16621, 30220, 33242, 43819, 60440, 66484, 83105, 87638, 132968, 166210, 175276, 219095, 332420, 350552, 438190, 482009, 664840, 876380, 964018, 1752760, 1928036, 2410045, 3856072, 4820090, 9640180, 19280360]

約数ペア:

[(1, 19280360), (2, 9640180), (4, 4820090), (5, 3856072), (8, 2410045), (10, 1928036), (11, 1752760), (20, 964018), (22, 876380), (29, 664840), (40, 482009), (44, 438190), (55, 350552), (58, 332420), (88, 219095), (110, 175276), (116, 166210), (145, 132968), (220, 87638), (232, 83105), (290, 66484), (319, 60440), (440, 43819), (580, 33242), (638, 30220), (1160, 16621), (1276, 15110), (1511, 12760), (1595, 12088), (2552, 7555), (3022, 6380), (3190, 6044)]