18326804540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{19661}}^1$

素因数の和:19923

約数の個数: 96

約数和(自身を含む): 44395223040

約数和(自身を除く): 26068418500

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 223, 380, 418, 446, 836, 892, 1045, 1115, 2090, 2230, 2453, 4180, 4237, 4460, 4906, 8474, 9812, 12265, 16948, 19661, 21185, 24530, 39322, 42370, 46607, 49060, 78644, 84740, 93214, 98305, 186428, 196610, 216271, 233035, 373559, 393220, 432542, 466070, 747118, 865084, 932140, 1081355, 1494236, 1867795, 2162710, 3735590, 4109149, 4325420, 4384403, 7471180, 8218298, 8768806, 16436596, 17537612, 20545745, 21922015, 41091490, 43844030, 48228433, 82182980, 83303657, 87688060, 96456866, 166607314, 192913732, 241142165, 333214628, 416518285, 482284330, 833036570, 916340227, 964568660, 1666073140, 1832680454, 3665360908, 4581701135, 9163402270, 18326804540]

約数ペア:

[(1, 18326804540), (2, 9163402270), (4, 4581701135), (5, 3665360908), (10, 1832680454), (11, 1666073140), (19, 964568660), (20, 916340227), (22, 833036570), (38, 482284330), (44, 416518285), (55, 333214628), (76, 241142165), (95, 192913732), (110, 166607314), (190, 96456866), (209, 87688060), (220, 83303657), (223, 82182980), (380, 48228433), (418, 43844030), (446, 41091490), (836, 21922015), (892, 20545745), (1045, 17537612), (1115, 16436596), (2090, 8768806), (2230, 8218298), (2453, 7471180), (4180, 4384403), (4237, 4325420), (4460, 4109149), (4906, 3735590), (8474, 2162710), (9812, 1867795), (12265, 1494236), (16948, 1081355), (19661, 932140), (21185, 865084), (24530, 747118), (39322, 466070), (42370, 432542), (46607, 393220), (49060, 373559), (78644, 233035), (84740, 216271), (93214, 196610), (98305, 186428)]