18671870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22454530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 101, 133, 139, 190, 202, 266, 278, 505, 665, 695, 707, 973, 1010, 1330, 1390, 1414, 1919, 1946, 2641, 3535, 3838, 4865, 5282, 7070, 9595, 9730, 13205, 13433, 14039, 18487, 19190, 26410, 26866, 28078, 36974, 67165, 70195, 92435, 98273, 134330, 140390, 184870, 196546, 266741, 491365, 533482, 982730, 1333705, 1867187, 2667410, 3734374, 9335935, 18671870]

約数ペア:

[(1, 18671870), (2, 9335935), (5, 3734374), (7, 2667410), (10, 1867187), (14, 1333705), (19, 982730), (35, 533482), (38, 491365), (70, 266741), (95, 196546), (101, 184870), (133, 140390), (139, 134330), (190, 98273), (202, 92435), (266, 70195), (278, 67165), (505, 36974), (665, 28078), (695, 26866), (707, 26410), (973, 19190), (1010, 18487), (1330, 14039), (1390, 13433), (1414, 13205), (1919, 9730), (1946, 9595), (2641, 7070), (3535, 5282), (3838, 4865)]