19530315

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{83}}^2$

素因数の和:190

約数の個数: 60

約数和(自身を含む): 40499184

約数和(自身を除く): 20968869

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 83, 105, 135, 189, 249, 315, 405, 415, 567, 581, 747, 945, 1245, 1743, 2241, 2835, 2905, 3735, 5229, 6723, 6889, 8715, 11205, 15687, 20667, 26145, 33615, 34445, 47061, 48223, 62001, 78435, 103335, 144669, 186003, 235305, 241115, 310005, 434007, 558009, 723345, 930015, 1302021, 2170035, 2790045, 3906063, 6510105, 19530315]

約数ペア:

[(1, 19530315), (3, 6510105), (5, 3906063), (7, 2790045), (9, 2170035), (15, 1302021), (21, 930015), (27, 723345), (35, 558009), (45, 434007), (63, 310005), (81, 241115), (83, 235305), (105, 186003), (135, 144669), (189, 103335), (249, 78435), (315, 62001), (405, 48223), (415, 47061), (567, 34445), (581, 33615), (747, 26145), (945, 20667), (1245, 15687), (1743, 11205), (2241, 8715), (2835, 6889), (2905, 6723), (3735, 5229)]