19963653

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 28167840

約数和(自身を除く): 8204187

約数列:

[1, 3, 43, 59, 61, 129, 177, 183, 1849, 2537, 2623, 3599, 5547, 7611, 7869, 10797, 109091, 112789, 154757, 327273, 338367, 464271, 6654551, 19963653]

約数ペア:

[(1, 19963653), (3, 6654551), (43, 464271), (59, 338367), (61, 327273), (129, 154757), (177, 112789), (183, 109091), (1849, 10797), (2537, 7869), (2623, 7611), (3599, 5547)]