19378035

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 16395885

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 389, 405, 615, 1107, 1167, 1215, 1845, 1945, 3321, 3501, 5535, 5835, 9963, 10503, 15949, 16605, 17505, 31509, 47847, 49815, 52515, 79745, 94527, 143541, 157545, 239235, 430623, 472635, 717705, 1291869, 2153115, 3875607, 6459345, 19378035]

約数ペア:

[(1, 19378035), (3, 6459345), (5, 3875607), (9, 2153115), (15, 1291869), (27, 717705), (41, 472635), (45, 430623), (81, 239235), (123, 157545), (135, 143541), (205, 94527), (243, 79745), (369, 52515), (389, 49815), (405, 47847), (615, 31509), (1107, 17505), (1167, 16605), (1215, 15949), (1845, 10503), (1945, 9963), (3321, 5835), (3501, 5535)]