19921042778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2328857}}^1$

素因数の和:2328926

約数の個数: 32

約数和(自身を含む): 37559821824

約数和(自身を除く): 17638779046

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 4277, 8554, 2328857, 4657714, 16301999, 30275141, 32603998, 60550282, 109456279, 211925987, 218912558, 423851974, 766193953, 1422931627, 1532387906, 2845863254, 9960521389, 19921042778]

約数ペア:

[(1, 19921042778), (2, 9960521389), (7, 2845863254), (13, 1532387906), (14, 1422931627), (26, 766193953), (47, 423851974), (91, 218912558), (94, 211925987), (182, 109456279), (329, 60550282), (611, 32603998), (658, 30275141), (1222, 16301999), (4277, 4657714), (8554, 2328857)]