20180936188

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{61819}}^1$

素因数の和:62050

約数の個数: 48

約数和(自身を含む): 41127609600

約数和(自身を除く): 20946673412

約数列:

[1, 2, 4, 7, 14, 28, 89, 131, 178, 262, 356, 524, 623, 917, 1246, 1834, 2492, 3668, 11659, 23318, 46636, 61819, 81613, 123638, 163226, 247276, 326452, 432733, 865466, 1730932, 5501891, 8098289, 11003782, 16196578, 22007564, 32393156, 38513237, 56688023, 77026474, 113376046, 154052948, 226752092, 720747721, 1441495442, 2882990884, 5045234047, 10090468094, 20180936188]

約数ペア:

[(1, 20180936188), (2, 10090468094), (4, 5045234047), (7, 2882990884), (14, 1441495442), (28, 720747721), (89, 226752092), (131, 154052948), (178, 113376046), (262, 77026474), (356, 56688023), (524, 38513237), (623, 32393156), (917, 22007564), (1246, 16196578), (1834, 11003782), (2492, 8098289), (3668, 5501891), (11659, 1730932), (23318, 865466), (46636, 432733), (61819, 326452), (81613, 247276), (123638, 163226)]