19678113

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8038

約数の個数: 32

約数和(自身を含む): 35884800

約数和(自身を除く): 16206687

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8009, 24027, 56063, 72081, 104117, 168189, 216243, 312351, 504567, 728819, 937053, 1513701, 2186457, 2811159, 6559371, 19678113]

約数ペア:

[(1, 19678113), (3, 6559371), (7, 2811159), (9, 2186457), (13, 1513701), (21, 937053), (27, 728819), (39, 504567), (63, 312351), (91, 216243), (117, 168189), (189, 104117), (273, 72081), (351, 56063), (819, 24027), (2457, 8009)]