19008780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45259}}^1$

素因数の和:45278

約数の個数: 48

約数和(自身を含む): 60829440

約数和(自身を除く): 41820660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45259, 90518, 135777, 181036, 226295, 271554, 316813, 452590, 543108, 633626, 678885, 905180, 950439, 1267252, 1357770, 1584065, 1900878, 2715540, 3168130, 3801756, 4752195, 6336260, 9504390, 19008780]

約数ペア:

[(1, 19008780), (2, 9504390), (3, 6336260), (4, 4752195), (5, 3801756), (6, 3168130), (7, 2715540), (10, 1900878), (12, 1584065), (14, 1357770), (15, 1267252), (20, 950439), (21, 905180), (28, 678885), (30, 633626), (35, 543108), (42, 452590), (60, 316813), (70, 271554), (84, 226295), (105, 181036), (140, 135777), (210, 90518), (420, 45259)]