19168760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 46932480

約数和(自身を除く): 27763720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 193, 260, 382, 386, 520, 764, 772, 955, 965, 1528, 1544, 1910, 1930, 2483, 2509, 3820, 3860, 4966, 5018, 7640, 7720, 9932, 10036, 12415, 12545, 19864, 20072, 24830, 25090, 36863, 49660, 50180, 73726, 99320, 100360, 147452, 184315, 294904, 368630, 479219, 737260, 958438, 1474520, 1916876, 2396095, 3833752, 4792190, 9584380, 19168760]

約数ペア:

[(1, 19168760), (2, 9584380), (4, 4792190), (5, 3833752), (8, 2396095), (10, 1916876), (13, 1474520), (20, 958438), (26, 737260), (40, 479219), (52, 368630), (65, 294904), (104, 184315), (130, 147452), (191, 100360), (193, 99320), (260, 73726), (382, 50180), (386, 49660), (520, 36863), (764, 25090), (772, 24830), (955, 20072), (965, 19864), (1528, 12545), (1544, 12415), (1910, 10036), (1930, 9932), (2483, 7720), (2509, 7640), (3820, 5018), (3860, 4966)]