19850103

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2725

約数の個数: 40

約数和(自身を含む): 36509088

約数和(自身を除く): 16658985

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2693, 7371, 8079, 18851, 24237, 35009, 56553, 72711, 105027, 169659, 218133, 245063, 315081, 508977, 735189, 945243, 1526931, 2205567, 2835729, 6616701, 19850103]

約数ペア:

[(1, 19850103), (3, 6616701), (7, 2835729), (9, 2205567), (13, 1526931), (21, 945243), (27, 735189), (39, 508977), (63, 315081), (81, 245063), (91, 218133), (117, 169659), (189, 105027), (273, 72711), (351, 56553), (567, 35009), (819, 24237), (1053, 18851), (2457, 8079), (2693, 7371)]