19651620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3061}}^1$

素因数の和:3180

約数の個数: 48

約数和(自身を含む): 55556928

約数和(自身を除く): 35905308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3061, 3210, 6122, 6420, 9183, 12244, 15305, 18366, 30610, 36732, 45915, 61220, 91830, 183660, 327527, 655054, 982581, 1310108, 1637635, 1965162, 3275270, 3930324, 4912905, 6550540, 9825810, 19651620]

約数ペア:

[(1, 19651620), (2, 9825810), (3, 6550540), (4, 4912905), (5, 3930324), (6, 3275270), (10, 1965162), (12, 1637635), (15, 1310108), (20, 982581), (30, 655054), (60, 327527), (107, 183660), (214, 91830), (321, 61220), (428, 45915), (535, 36732), (642, 30610), (1070, 18366), (1284, 15305), (1605, 12244), (2140, 9183), (3061, 6420), (3210, 6122)]