19864075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 12705269

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 275, 385, 425, 595, 607, 935, 1309, 1925, 2975, 3035, 4249, 4675, 6545, 6677, 10319, 15175, 21245, 32725, 33385, 46739, 51595, 72233, 106225, 113509, 166925, 233695, 257975, 361165, 567545, 794563, 1168475, 1805825, 2837725, 3972815, 19864075]

約数ペア:

[(1, 19864075), (5, 3972815), (7, 2837725), (11, 1805825), (17, 1168475), (25, 794563), (35, 567545), (55, 361165), (77, 257975), (85, 233695), (119, 166925), (175, 113509), (187, 106225), (275, 72233), (385, 51595), (425, 46739), (595, 33385), (607, 32725), (935, 21245), (1309, 15175), (1925, 10319), (2975, 6677), (3035, 6545), (4249, 4675)]