19485945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 35897472

約数和(自身を除く): 16411527

約数列:

[1, 3, 5, 9, 15, 23, 45, 67, 69, 115, 201, 207, 281, 335, 345, 603, 843, 1005, 1035, 1405, 1541, 2529, 3015, 4215, 4623, 6463, 7705, 12645, 13869, 18827, 19389, 23115, 32315, 56481, 58167, 69345, 94135, 96945, 169443, 282405, 290835, 433021, 847215, 1299063, 2165105, 3897189, 6495315, 19485945]

約数ペア:

[(1, 19485945), (3, 6495315), (5, 3897189), (9, 2165105), (15, 1299063), (23, 847215), (45, 433021), (67, 290835), (69, 282405), (115, 169443), (201, 96945), (207, 94135), (281, 69345), (335, 58167), (345, 56481), (603, 32315), (843, 23115), (1005, 19389), (1035, 18827), (1405, 13869), (1541, 12645), (2529, 7705), (3015, 6463), (4215, 4623)]