19566729

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3413}}^1$

素因数の和:3446

約数の個数: 36

約数和(自身を含む): 35416836

約数和(自身を除く): 15850107

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3413, 5733, 10239, 23891, 30717, 44369, 71673, 133107, 167237, 215019, 310583, 399321, 501711, 931749, 1505133, 2174081, 2795247, 6522243, 19566729]

約数ペア:

[(1, 19566729), (3, 6522243), (7, 2795247), (9, 2174081), (13, 1505133), (21, 931749), (39, 501711), (49, 399321), (63, 310583), (91, 215019), (117, 167237), (147, 133107), (273, 71673), (441, 44369), (637, 30717), (819, 23891), (1911, 10239), (3413, 5733)]