20180991852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1312841}}^1$

素因数の和:1312919

約数の個数: 72

約数和(自身を含む): 59256436512

約数和(自身を除く): 39075444660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1708, 2196, 2562, 3843, 5124, 7686, 15372, 1312841, 2625682, 3938523, 5251364, 7877046, 9189887, 11815569, 15754092, 18379774, 23631138, 27569661, 36759548, 47262276, 55139322, 80083301, 82708983, 110278644, 160166602, 165417966, 240249903, 320333204, 330835932, 480499806, 560583107, 720749709, 960999612, 1121166214, 1441499418, 1681749321, 2242332428, 2882998836, 3363498642, 5045247963, 6726997284, 10090495926, 20180991852]

約数ペア:

[(1, 20180991852), (2, 10090495926), (3, 6726997284), (4, 5045247963), (6, 3363498642), (7, 2882998836), (9, 2242332428), (12, 1681749321), (14, 1441499418), (18, 1121166214), (21, 960999612), (28, 720749709), (36, 560583107), (42, 480499806), (61, 330835932), (63, 320333204), (84, 240249903), (122, 165417966), (126, 160166602), (183, 110278644), (244, 82708983), (252, 80083301), (366, 55139322), (427, 47262276), (549, 36759548), (732, 27569661), (854, 23631138), (1098, 18379774), (1281, 15754092), (1708, 11815569), (2196, 9189887), (2562, 7877046), (3843, 5251364), (5124, 3938523), (7686, 2625682), (15372, 1312841)]