16988356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 22041404

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2903, 2926, 5806, 5852, 11612, 20321, 31933, 40642, 55157, 63866, 81284, 110314, 127732, 220628, 223531, 386099, 447062, 606727, 772198, 894124, 1213454, 1544396, 2426908, 4247089, 8494178, 16988356]

約数ペア:

[(1, 16988356), (2, 8494178), (4, 4247089), (7, 2426908), (11, 1544396), (14, 1213454), (19, 894124), (22, 772198), (28, 606727), (38, 447062), (44, 386099), (76, 223531), (77, 220628), (133, 127732), (154, 110314), (209, 81284), (266, 63866), (308, 55157), (418, 40642), (532, 31933), (836, 20321), (1463, 11612), (2903, 5852), (2926, 5806)]