19215878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45971}}^1$

素因数の和:46003

約数の個数: 16

約数和(自身を含む): 33099840

約数和(自身を除く): 13883962

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 45971, 91942, 505681, 873449, 1011362, 1746898, 9607939, 19215878]

約数ペア:

[(1, 19215878), (2, 9607939), (11, 1746898), (19, 1011362), (22, 873449), (38, 505681), (209, 91942), (418, 45971)]