20181470008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{109639}}^1$

素因数の和:109844

約数の個数: 64

約数和(自身を含む): 45785664000

約数和(自身を除く): 25604193992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 173, 266, 346, 532, 692, 1064, 1211, 1384, 2422, 3287, 4844, 6574, 9688, 13148, 23009, 26296, 46018, 92036, 109639, 184072, 219278, 438556, 767473, 877112, 1534946, 2083141, 3069892, 4166282, 6139784, 8332564, 14581987, 16665128, 18967547, 29163974, 37935094, 58327948, 75870188, 116655896, 132772829, 151740376, 265545658, 360383393, 531091316, 720766786, 1062182632, 1441533572, 2522683751, 2883067144, 5045367502, 10090735004, 20181470008]

約数ペア:

[(1, 20181470008), (2, 10090735004), (4, 5045367502), (7, 2883067144), (8, 2522683751), (14, 1441533572), (19, 1062182632), (28, 720766786), (38, 531091316), (56, 360383393), (76, 265545658), (133, 151740376), (152, 132772829), (173, 116655896), (266, 75870188), (346, 58327948), (532, 37935094), (692, 29163974), (1064, 18967547), (1211, 16665128), (1384, 14581987), (2422, 8332564), (3287, 6139784), (4844, 4166282), (6574, 3069892), (9688, 2083141), (13148, 1534946), (23009, 877112), (26296, 767473), (46018, 438556), (92036, 219278), (109639, 184072)]