19315790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4793}}^1$

素因数の和:4844

約数の個数: 32

約数和(自身を含む): 38658816

約数和(自身を除く): 19343026

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4793, 9586, 23965, 47930, 62309, 124618, 148583, 297166, 311545, 623090, 742915, 1485830, 1931579, 3863158, 9657895, 19315790]

約数ペア:

[(1, 19315790), (2, 9657895), (5, 3863158), (10, 1931579), (13, 1485830), (26, 742915), (31, 623090), (62, 311545), (65, 297166), (130, 148583), (155, 124618), (310, 62309), (403, 47930), (806, 23965), (2015, 9586), (4030, 4793)]