219648854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 355829760

約数和(自身を除く): 136180906

約数列:

[1, 2, 19, 38, 53, 106, 191, 382, 571, 1007, 1142, 2014, 3629, 7258, 10123, 10849, 20246, 21698, 30263, 60526, 109061, 192337, 218122, 384674, 574997, 1149994, 2072159, 4144318, 5780233, 11560466, 109824427, 219648854]

約数ペア:

[(1, 219648854), (2, 109824427), (19, 11560466), (38, 5780233), (53, 4144318), (106, 2072159), (191, 1149994), (382, 574997), (571, 384674), (1007, 218122), (1142, 192337), (2014, 109061), (3629, 60526), (7258, 30263), (10123, 21698), (10849, 20246)]