19407843

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2633}}^1$

素因数の和:2665

約数の個数: 40

約数和(自身を含む): 35695968

約数和(自身を除く): 16288125

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2633, 7371, 7899, 18431, 23697, 34229, 55293, 71091, 102687, 165879, 213273, 239603, 308061, 497637, 718809, 924183, 1492911, 2156427, 2772549, 6469281, 19407843]

約数ペア:

[(1, 19407843), (3, 6469281), (7, 2772549), (9, 2156427), (13, 1492911), (21, 924183), (27, 718809), (39, 497637), (63, 308061), (81, 239603), (91, 213273), (117, 165879), (189, 102687), (273, 71091), (351, 55293), (567, 34229), (819, 23697), (1053, 18431), (2457, 7899), (2633, 7371)]