19215072

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 72

約数和(自身を含む): 55154736

約数和(自身を除く): 35939664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 487, 548, 822, 974, 1096, 1233, 1461, 1644, 1948, 2192, 2466, 2922, 3288, 3896, 4383, 4384, 4932, 5844, 6576, 7792, 8766, 9864, 11688, 13152, 15584, 17532, 19728, 23376, 35064, 39456, 46752, 66719, 70128, 133438, 140256, 200157, 266876, 400314, 533752, 600471, 800628, 1067504, 1200942, 1601256, 2135008, 2401884, 3202512, 4803768, 6405024, 9607536, 19215072]

約数ペア:

[(1, 19215072), (2, 9607536), (3, 6405024), (4, 4803768), (6, 3202512), (8, 2401884), (9, 2135008), (12, 1601256), (16, 1200942), (18, 1067504), (24, 800628), (32, 600471), (36, 533752), (48, 400314), (72, 266876), (96, 200157), (137, 140256), (144, 133438), (274, 70128), (288, 66719), (411, 46752), (487, 39456), (548, 35064), (822, 23376), (974, 19728), (1096, 17532), (1233, 15584), (1461, 13152), (1644, 11688), (1948, 9864), (2192, 8766), (2466, 7792), (2922, 6576), (3288, 5844), (3896, 4932), (4383, 4384)]