18804823960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{284749}}^1$

素因数の和:284900

約数の個数: 64

約数和(自身を含む): 45924480000

約数和(自身を除く): 27119656040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 8255, 13208, 16510, 33020, 66040, 284749, 569498, 1138996, 1423745, 2277992, 2847490, 3701737, 5694980, 7403474, 11389960, 14806948, 18508685, 29613896, 36163123, 37017370, 72326246, 74034740, 144652492, 148069480, 180815615, 289304984, 361631230, 470120599, 723262460, 940241198, 1446524920, 1880482396, 2350602995, 3760964792, 4701205990, 9402411980, 18804823960]

約数ペア:

[(1, 18804823960), (2, 9402411980), (4, 4701205990), (5, 3760964792), (8, 2350602995), (10, 1880482396), (13, 1446524920), (20, 940241198), (26, 723262460), (40, 470120599), (52, 361631230), (65, 289304984), (104, 180815615), (127, 148069480), (130, 144652492), (254, 74034740), (260, 72326246), (508, 37017370), (520, 36163123), (635, 29613896), (1016, 18508685), (1270, 14806948), (1651, 11389960), (2540, 7403474), (3302, 5694980), (5080, 3701737), (6604, 2847490), (8255, 2277992), (13208, 1423745), (16510, 1138996), (33020, 569498), (66040, 284749)]