19418876

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{911}}^1$

素因数の和:1061

約数の個数: 18

約数和(自身を含む): 34492752

約数和(自身を除く): 15073876

約数列:

[1, 2, 4, 73, 146, 292, 911, 1822, 3644, 5329, 10658, 21316, 66503, 133006, 266012, 4854719, 9709438, 19418876]

約数ペア:

[(1, 19418876), (2, 9709438), (4, 4854719), (73, 266012), (146, 133006), (292, 66503), (911, 21316), (1822, 10658), (3644, 5329)]