19640265848

素因数分解:

$2^3\times 7^2\times {\mathrm{743}}^1\times {\mathrm{67433}}^1$

素因数の和:68196

約数の個数: 48

約数和(自身を含む): 42896116080

約数和(自身を除く): 23255850232

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 743, 1486, 2972, 5201, 5944, 10402, 20804, 36407, 41608, 67433, 72814, 134866, 145628, 269732, 291256, 472031, 539464, 944062, 1888124, 3304217, 3776248, 6608434, 13216868, 26433736, 50102719, 100205438, 200410876, 350719033, 400821752, 701438066, 1402876132, 2455033231, 2805752264, 4910066462, 9820132924, 19640265848]

約数ペア:

[(1, 19640265848), (2, 9820132924), (4, 4910066462), (7, 2805752264), (8, 2455033231), (14, 1402876132), (28, 701438066), (49, 400821752), (56, 350719033), (98, 200410876), (196, 100205438), (392, 50102719), (743, 26433736), (1486, 13216868), (2972, 6608434), (5201, 3776248), (5944, 3304217), (10402, 1888124), (20804, 944062), (36407, 539464), (41608, 472031), (67433, 291256), (72814, 269732), (134866, 145628)]