19379997

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23663}}^1$

素因数の和:23689

約数の個数: 24

約数和(自身を含む): 34454784

約数和(自身を除く): 15074787

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23663, 70989, 165641, 212967, 307619, 496923, 922857, 1490769, 2153333, 2768571, 6459999, 19379997]

約数ペア:

[(1, 19379997), (3, 6459999), (7, 2768571), (9, 2153333), (13, 1490769), (21, 922857), (39, 496923), (63, 307619), (91, 212967), (117, 165641), (273, 70989), (819, 23663)]