19103618884

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{161561}}^1$

素因数の和:161716

約数の個数: 48

約数和(自身を含む): 39519357696

約数和(自身を除く): 20415738812

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 103, 164, 206, 287, 412, 574, 721, 1148, 1442, 2884, 4223, 8446, 16892, 29561, 59122, 118244, 161561, 323122, 646244, 1130927, 2261854, 4523708, 6624001, 13248002, 16640783, 26496004, 33281566, 46368007, 66563132, 92736014, 116485481, 185472028, 232970962, 465941924, 682272103, 1364544206, 2729088412, 4775904721, 9551809442, 19103618884]

約数ペア:

[(1, 19103618884), (2, 9551809442), (4, 4775904721), (7, 2729088412), (14, 1364544206), (28, 682272103), (41, 465941924), (82, 232970962), (103, 185472028), (164, 116485481), (206, 92736014), (287, 66563132), (412, 46368007), (574, 33281566), (721, 26496004), (1148, 16640783), (1442, 13248002), (2884, 6624001), (4223, 4523708), (8446, 2261854), (16892, 1130927), (29561, 646244), (59122, 323122), (118244, 161561)]