19665516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{9697}}^1$

素因数の和:9730

約数の個数: 36

約数和(自身を含む): 49692552

約数和(自身を除く): 30027036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 9697, 19394, 29091, 38788, 58182, 116364, 126061, 252122, 378183, 504244, 756366, 1512732, 1638793, 3277586, 4916379, 6555172, 9832758, 19665516]

約数ペア:

[(1, 19665516), (2, 9832758), (3, 6555172), (4, 4916379), (6, 3277586), (12, 1638793), (13, 1512732), (26, 756366), (39, 504244), (52, 378183), (78, 252122), (156, 126061), (169, 116364), (338, 58182), (507, 38788), (676, 29091), (1014, 19394), (2028, 9697)]