19294821

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7853}}^1$

素因数の和:7882

約数の個数: 32

約数和(自身を含む): 35185920

約数和(自身を除く): 15891099

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7853, 23559, 54971, 70677, 102089, 164913, 212031, 306267, 494739, 714623, 918801, 1484217, 2143869, 2756403, 6431607, 19294821]

約数ペア:

[(1, 19294821), (3, 6431607), (7, 2756403), (9, 2143869), (13, 1484217), (21, 918801), (27, 714623), (39, 494739), (63, 306267), (91, 212031), (117, 164913), (189, 102089), (273, 70677), (351, 54971), (819, 23559), (2457, 7853)]