19280457595

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{8681}}^1$

素因数の和:8836

約数の個数: 64

約数和(自身を含む): 28804792320

約数和(自身を除く): 9524334725

約数列:

[1, 5, 7, 23, 31, 35, 89, 115, 155, 161, 217, 445, 623, 713, 805, 1085, 2047, 2759, 3115, 3565, 4991, 8681, 10235, 13795, 14329, 19313, 24955, 43405, 60767, 63457, 71645, 96565, 199663, 269111, 303835, 317285, 444199, 772609, 998315, 1345555, 1397641, 1883777, 2220995, 3863045, 5408263, 6189553, 6988205, 9418885, 17770007, 23950879, 27041315, 30947765, 43326871, 88850035, 119754395, 124390049, 167656153, 216634355, 550870217, 621950245, 838280765, 2754351085, 3856091519, 19280457595]

約数ペア:

[(1, 19280457595), (5, 3856091519), (7, 2754351085), (23, 838280765), (31, 621950245), (35, 550870217), (89, 216634355), (115, 167656153), (155, 124390049), (161, 119754395), (217, 88850035), (445, 43326871), (623, 30947765), (713, 27041315), (805, 23950879), (1085, 17770007), (2047, 9418885), (2759, 6988205), (3115, 6189553), (3565, 5408263), (4991, 3863045), (8681, 2220995), (10235, 1883777), (13795, 1397641), (14329, 1345555), (19313, 998315), (24955, 772609), (43405, 444199), (60767, 317285), (63457, 303835), (71645, 269111), (96565, 199663)]