19825911

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5521}}^1$

素因数の和:5556

約数の個数: 32

約数和(自身を含む): 35340800

約数和(自身を除く): 15514889

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5521, 16563, 38647, 49689, 104899, 115941, 149067, 314697, 347823, 734293, 944091, 1043469, 2202879, 2832273, 6608637, 19825911]

約数ペア:

[(1, 19825911), (3, 6608637), (7, 2832273), (9, 2202879), (19, 1043469), (21, 944091), (27, 734293), (57, 347823), (63, 314697), (133, 149067), (171, 115941), (189, 104899), (399, 49689), (513, 38647), (1197, 16563), (3591, 5521)]