19397518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72923}}^1$

素因数の和:72951

約数の個数: 16

約数和(自身を含む): 35003520

約数和(自身を除く): 15606002

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72923, 145846, 510461, 1020922, 1385537, 2771074, 9698759, 19397518]

約数ペア:

[(1, 19397518), (2, 9698759), (7, 2771074), (14, 1385537), (19, 1020922), (38, 510461), (133, 145846), (266, 72923)]