18719370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35712630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 41, 45, 54, 57, 82, 89, 90, 95, 114, 123, 135, 171, 178, 190, 205, 246, 267, 270, 285, 342, 369, 410, 445, 513, 534, 570, 615, 738, 779, 801, 855, 890, 1026, 1107, 1230, 1335, 1558, 1602, 1691, 1710, 1845, 2214, 2337, 2403, 2565, 2670, 3382, 3649, 3690, 3895, 4005, 4674, 4806, 5073, 5130, 5535, 7011, 7298, 7790, 8010, 8455, 10146, 10947, 11070, 11685, 12015, 14022, 15219, 16910, 18245, 21033, 21894, 23370, 24030, 25365, 30438, 32841, 35055, 36490, 42066, 45657, 50730, 54735, 65682, 69331, 70110, 76095, 91314, 98523, 105165, 109470, 138662, 152190, 164205, 197046, 207993, 210330, 228285, 328410, 346655, 415986, 456570, 492615, 623979, 693310, 985230, 1039965, 1247958, 1871937, 2079930, 3119895, 3743874, 6239790, 9359685, 18719370]

約数ペア:

[(1, 18719370), (2, 9359685), (3, 6239790), (5, 3743874), (6, 3119895), (9, 2079930), (10, 1871937), (15, 1247958), (18, 1039965), (19, 985230), (27, 693310), (30, 623979), (38, 492615), (41, 456570), (45, 415986), (54, 346655), (57, 328410), (82, 228285), (89, 210330), (90, 207993), (95, 197046), (114, 164205), (123, 152190), (135, 138662), (171, 109470), (178, 105165), (190, 98523), (205, 91314), (246, 76095), (267, 70110), (270, 69331), (285, 65682), (342, 54735), (369, 50730), (410, 45657), (445, 42066), (513, 36490), (534, 35055), (570, 32841), (615, 30438), (738, 25365), (779, 24030), (801, 23370), (855, 21894), (890, 21033), (1026, 18245), (1107, 16910), (1230, 15219), (1335, 14022), (1558, 12015), (1602, 11685), (1691, 11070), (1710, 10947), (1845, 10146), (2214, 8455), (2337, 8010), (2403, 7790), (2565, 7298), (2670, 7011), (3382, 5535), (3649, 5130), (3690, 5073), (3895, 4806), (4005, 4674)]