19457347

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 25361280

約数和(自身を除く): 5903933

約数列:

[1, 7, 13, 29, 73, 91, 101, 203, 377, 511, 707, 949, 1313, 2117, 2639, 2929, 6643, 7373, 9191, 14819, 20503, 27521, 38077, 51611, 95849, 192647, 213817, 266539, 670943, 1496719, 2779621, 19457347]

約数ペア:

[(1, 19457347), (7, 2779621), (13, 1496719), (29, 670943), (73, 266539), (91, 213817), (101, 192647), (203, 95849), (377, 51611), (511, 38077), (707, 27521), (949, 20503), (1313, 14819), (2117, 9191), (2639, 7373), (2929, 6643)]