15997506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20078

約数の個数: 32

約数和(自身を含む): 38492160

約数和(自身を除く): 22494654

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 20047, 40094, 60141, 120282, 140329, 280658, 380893, 420987, 761786, 841974, 1142679, 2285358, 2666251, 5332502, 7998753, 15997506]

約数ペア:

[(1, 15997506), (2, 7998753), (3, 5332502), (6, 2666251), (7, 2285358), (14, 1142679), (19, 841974), (21, 761786), (38, 420987), (42, 380893), (57, 280658), (114, 140329), (133, 120282), (266, 60141), (399, 40094), (798, 20047)]