19070685

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 35498736

約数和(自身を除く): 16428051

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 97, 153, 255, 257, 291, 485, 765, 771, 873, 1285, 1455, 1649, 2313, 3855, 4365, 4369, 4947, 8245, 11565, 13107, 14841, 21845, 24735, 24929, 39321, 65535, 74205, 74787, 124645, 196605, 224361, 373935, 423793, 1121805, 1271379, 2118965, 3814137, 6356895, 19070685]

約数ペア:

[(1, 19070685), (3, 6356895), (5, 3814137), (9, 2118965), (15, 1271379), (17, 1121805), (45, 423793), (51, 373935), (85, 224361), (97, 196605), (153, 124645), (255, 74787), (257, 74205), (291, 65535), (485, 39321), (765, 24929), (771, 24735), (873, 21845), (1285, 14841), (1455, 13107), (1649, 11565), (2313, 8245), (3855, 4947), (4365, 4369)]