16778938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 29211840

約数和(自身を除く): 12432902

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 293, 418, 586, 1507, 2603, 3014, 3223, 5206, 5567, 6446, 11134, 28633, 40141, 57266, 61237, 80282, 122474, 441551, 762679, 883102, 1525358, 8389469, 16778938]

約数ペア:

[(1, 16778938), (2, 8389469), (11, 1525358), (19, 883102), (22, 762679), (38, 441551), (137, 122474), (209, 80282), (274, 61237), (293, 57266), (418, 40141), (586, 28633), (1507, 11134), (2603, 6446), (3014, 5567), (3223, 5206)]