19794654

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 47090160

約数和(自身を除く): 27295506

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 257, 389, 514, 771, 778, 1167, 1542, 2313, 2334, 2827, 3501, 4279, 4626, 5654, 7002, 8481, 8558, 12837, 16962, 25443, 25674, 38511, 50886, 77022, 99973, 199946, 299919, 599838, 899757, 1099703, 1799514, 2199406, 3299109, 6598218, 9897327, 19794654]

約数ペア:

[(1, 19794654), (2, 9897327), (3, 6598218), (6, 3299109), (9, 2199406), (11, 1799514), (18, 1099703), (22, 899757), (33, 599838), (66, 299919), (99, 199946), (198, 99973), (257, 77022), (389, 50886), (514, 38511), (771, 25674), (778, 25443), (1167, 16962), (1542, 12837), (2313, 8558), (2334, 8481), (2827, 7002), (3501, 5654), (4279, 4626)]