19605540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4877}}^1$

素因数の和:4956

約数の個数: 48

約数和(自身を含む): 55726272

約数和(自身を除く): 36120732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4877, 9754, 14631, 19508, 24385, 29262, 48770, 58524, 73155, 97540, 146310, 292620, 326759, 653518, 980277, 1307036, 1633795, 1960554, 3267590, 3921108, 4901385, 6535180, 9802770, 19605540]

約数ペア:

[(1, 19605540), (2, 9802770), (3, 6535180), (4, 4901385), (5, 3921108), (6, 3267590), (10, 1960554), (12, 1633795), (15, 1307036), (20, 980277), (30, 653518), (60, 326759), (67, 292620), (134, 146310), (201, 97540), (268, 73155), (335, 58524), (402, 48770), (670, 29262), (804, 24385), (1005, 19508), (1340, 14631), (2010, 9754), (4020, 4877)]