1919918

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 3964464

約数和(自身を除く): 2044546

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 137, 143, 154, 182, 274, 286, 539, 637, 959, 1001, 1078, 1274, 1507, 1781, 1918, 2002, 3014, 3562, 6713, 7007, 10549, 12467, 13426, 14014, 19591, 21098, 24934, 39182, 73843, 87269, 137137, 147686, 174538, 274274, 959959, 1919918]

約数ペア:

[(1, 1919918), (2, 959959), (7, 274274), (11, 174538), (13, 147686), (14, 137137), (22, 87269), (26, 73843), (49, 39182), (77, 24934), (91, 21098), (98, 19591), (137, 14014), (143, 13426), (154, 12467), (182, 10549), (274, 7007), (286, 6713), (539, 3562), (637, 3014), (959, 2002), (1001, 1918), (1078, 1781), (1274, 1507)]