19971546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29794854

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 798, 863, 1102, 1218, 1653, 1726, 2589, 3306, 3857, 5178, 6041, 7714, 11571, 12082, 16397, 18123, 23142, 25027, 32794, 36246, 49191, 50054, 75081, 98382, 114779, 150162, 175189, 229558, 344337, 350378, 475513, 525567, 688674, 951026, 1051134, 1426539, 2853078, 3328591, 6657182, 9985773, 19971546]

約数ペア:

[(1, 19971546), (2, 9985773), (3, 6657182), (6, 3328591), (7, 2853078), (14, 1426539), (19, 1051134), (21, 951026), (29, 688674), (38, 525567), (42, 475513), (57, 350378), (58, 344337), (87, 229558), (114, 175189), (133, 150162), (174, 114779), (203, 98382), (266, 75081), (399, 50054), (406, 49191), (551, 36246), (609, 32794), (798, 25027), (863, 23142), (1102, 18123), (1218, 16397), (1653, 12082), (1726, 11571), (2589, 7714), (3306, 6041), (3857, 5178)]