19476080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 49725984

約数和(自身を除く): 30249904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 307, 488, 520, 610, 614, 793, 976, 1040, 1220, 1228, 1535, 1586, 2440, 2456, 3070, 3172, 3965, 3991, 4880, 4912, 6140, 6344, 7930, 7982, 12280, 12688, 15860, 15964, 18727, 19955, 24560, 31720, 31928, 37454, 39910, 63440, 63856, 74908, 79820, 93635, 149816, 159640, 187270, 243451, 299632, 319280, 374540, 486902, 749080, 973804, 1217255, 1498160, 1947608, 2434510, 3895216, 4869020, 9738040, 19476080]

約数ペア:

[(1, 19476080), (2, 9738040), (4, 4869020), (5, 3895216), (8, 2434510), (10, 1947608), (13, 1498160), (16, 1217255), (20, 973804), (26, 749080), (40, 486902), (52, 374540), (61, 319280), (65, 299632), (80, 243451), (104, 187270), (122, 159640), (130, 149816), (208, 93635), (244, 79820), (260, 74908), (305, 63856), (307, 63440), (488, 39910), (520, 37454), (610, 31928), (614, 31720), (793, 24560), (976, 19955), (1040, 18727), (1220, 15964), (1228, 15860), (1535, 12688), (1586, 12280), (2440, 7982), (2456, 7930), (3070, 6344), (3172, 6140), (3965, 4912), (3991, 4880)]