19708080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11731}}^1$

素因数の和:11754

約数の個数: 80

約数和(自身を含む): 69828864

約数和(自身を除く): 50120784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11731, 23462, 35193, 46924, 58655, 70386, 82117, 93848, 117310, 140772, 164234, 175965, 187696, 234620, 246351, 281544, 328468, 351930, 410585, 469240, 492702, 563088, 656936, 703860, 821170, 938480, 985404, 1231755, 1313872, 1407720, 1642340, 1970808, 2463510, 2815440, 3284680, 3941616, 4927020, 6569360, 9854040, 19708080]

約数ペア:

[(1, 19708080), (2, 9854040), (3, 6569360), (4, 4927020), (5, 3941616), (6, 3284680), (7, 2815440), (8, 2463510), (10, 1970808), (12, 1642340), (14, 1407720), (15, 1313872), (16, 1231755), (20, 985404), (21, 938480), (24, 821170), (28, 703860), (30, 656936), (35, 563088), (40, 492702), (42, 469240), (48, 410585), (56, 351930), (60, 328468), (70, 281544), (80, 246351), (84, 234620), (105, 187696), (112, 175965), (120, 164234), (140, 140772), (168, 117310), (210, 93848), (240, 82117), (280, 70386), (336, 58655), (420, 46924), (560, 35193), (840, 23462), (1680, 11731)]