1969996

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:83

約数の個数: 54

約数和(自身を含む): 4412940

約数和(自身を除く): 2442944

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 529, 532, 644, 874, 931, 1058, 1127, 1748, 1862, 2116, 2254, 3059, 3703, 3724, 4508, 6118, 7406, 10051, 12236, 14812, 20102, 21413, 25921, 40204, 42826, 51842, 70357, 85652, 103684, 140714, 281428, 492499, 984998, 1969996]

約数ペア:

[(1, 1969996), (2, 984998), (4, 492499), (7, 281428), (14, 140714), (19, 103684), (23, 85652), (28, 70357), (38, 51842), (46, 42826), (49, 40204), (76, 25921), (92, 21413), (98, 20102), (133, 14812), (161, 12236), (196, 10051), (266, 7406), (322, 6118), (437, 4508), (529, 3724), (532, 3703), (644, 3059), (874, 2254), (931, 2116), (1058, 1862), (1127, 1748)]