19805838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 32

約数和(自身を含む): 44040192

約数和(自身を除く): 24234354

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8191, 16382, 24573, 49146, 106483, 212966, 253921, 319449, 507842, 638898, 761763, 1523526, 3300973, 6601946, 9902919, 19805838]

約数ペア:

[(1, 19805838), (2, 9902919), (3, 6601946), (6, 3300973), (13, 1523526), (26, 761763), (31, 638898), (39, 507842), (62, 319449), (78, 253921), (93, 212966), (186, 106483), (403, 49146), (806, 24573), (1209, 16382), (2418, 8191)]