19802853

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3613}}^1$

素因数の和:3658

約数の個数: 32

約数和(自身を含む): 34694400

約数和(自身を除く): 14891547

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3613, 5481, 10839, 25291, 32517, 75873, 97551, 104777, 227619, 314331, 682857, 733439, 942993, 2200317, 2828979, 6600951, 19802853]

約数ペア:

[(1, 19802853), (3, 6600951), (7, 2828979), (9, 2200317), (21, 942993), (27, 733439), (29, 682857), (63, 314331), (87, 227619), (189, 104777), (203, 97551), (261, 75873), (609, 32517), (783, 25291), (1827, 10839), (3613, 5481)]