19680777774

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{1907}}^1\times {\mathrm{11701}}^1$

素因数の和:13630

約数の個数: 72

約数和(自身を含む): 49633845768

約数和(自身を除く): 29953067994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 1907, 3814, 5721, 11442, 11701, 13349, 17163, 23402, 26698, 34326, 35103, 40047, 70206, 80094, 81907, 93443, 105309, 120141, 163814, 186886, 210618, 240282, 245721, 280329, 491442, 560658, 573349, 737163, 840987, 1146698, 1474326, 1681974, 1720047, 3440094, 5160141, 10320282, 22313807, 44627614, 66941421, 133882842, 156196649, 200824263, 312393298, 401648526, 468589947, 937179894, 1093376543, 1405769841, 2186753086, 2811539682, 3280129629, 6560259258, 9840388887, 19680777774]

約数ペア:

[(1, 19680777774), (2, 9840388887), (3, 6560259258), (6, 3280129629), (7, 2811539682), (9, 2186753086), (14, 1405769841), (18, 1093376543), (21, 937179894), (42, 468589947), (49, 401648526), (63, 312393298), (98, 200824263), (126, 156196649), (147, 133882842), (294, 66941421), (441, 44627614), (882, 22313807), (1907, 10320282), (3814, 5160141), (5721, 3440094), (11442, 1720047), (11701, 1681974), (13349, 1474326), (17163, 1146698), (23402, 840987), (26698, 737163), (34326, 573349), (35103, 560658), (40047, 491442), (70206, 280329), (80094, 245721), (81907, 240282), (93443, 210618), (105309, 186886), (120141, 163814)]