20181176178

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{3343}}^1$

素因数の和:3839

約数の個数: 64

約数和(自身を含む): 42159439872

約数和(自身を除く): 21978263694

約数列:

[1, 2, 3, 6, 37, 71, 74, 111, 142, 213, 222, 383, 426, 766, 1149, 2298, 2627, 3343, 5254, 6686, 7881, 10029, 14171, 15762, 20058, 27193, 28342, 42513, 54386, 81579, 85026, 123691, 163158, 237353, 247382, 371073, 474706, 712059, 742146, 1006141, 1280369, 1424118, 2012282, 2560738, 3018423, 3841107, 6036846, 7682214, 8782061, 17564122, 26346183, 47373653, 52692366, 90906199, 94747306, 142120959, 181812398, 272718597, 284241918, 545437194, 3363529363, 6727058726, 10090588089, 20181176178]

約数ペア:

[(1, 20181176178), (2, 10090588089), (3, 6727058726), (6, 3363529363), (37, 545437194), (71, 284241918), (74, 272718597), (111, 181812398), (142, 142120959), (213, 94747306), (222, 90906199), (383, 52692366), (426, 47373653), (766, 26346183), (1149, 17564122), (2298, 8782061), (2627, 7682214), (3343, 6036846), (5254, 3841107), (6686, 3018423), (7881, 2560738), (10029, 2012282), (14171, 1424118), (15762, 1280369), (20058, 1006141), (27193, 742146), (28342, 712059), (42513, 474706), (54386, 371073), (81579, 247382), (85026, 237353), (123691, 163158)]