19947622576

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{8963}}^1$

素因数の和:9650

約数の個数: 80

約数和(自身を含む): 45670791168

約数和(自身を除く): 25723168592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 641, 868, 1282, 1736, 2564, 3472, 4487, 5128, 8963, 8974, 10256, 17926, 17948, 19871, 35852, 35896, 39742, 62741, 71704, 71792, 79484, 125482, 139097, 143408, 158968, 250964, 277853, 278194, 317936, 501928, 555706, 556388, 1003856, 1111412, 1112776, 1944971, 2222824, 2225552, 3889942, 4445648, 5745283, 7779884, 11490566, 15559768, 22981132, 31119536, 40216981, 45962264, 80433962, 91924528, 160867924, 178103773, 321735848, 356207546, 643471696, 712415092, 1246726411, 1424830184, 2493452822, 2849660368, 4986905644, 9973811288, 19947622576]

約数ペア:

[(1, 19947622576), (2, 9973811288), (4, 4986905644), (7, 2849660368), (8, 2493452822), (14, 1424830184), (16, 1246726411), (28, 712415092), (31, 643471696), (56, 356207546), (62, 321735848), (112, 178103773), (124, 160867924), (217, 91924528), (248, 80433962), (434, 45962264), (496, 40216981), (641, 31119536), (868, 22981132), (1282, 15559768), (1736, 11490566), (2564, 7779884), (3472, 5745283), (4487, 4445648), (5128, 3889942), (8963, 2225552), (8974, 2222824), (10256, 1944971), (17926, 1112776), (17948, 1111412), (19871, 1003856), (35852, 556388), (35896, 555706), (39742, 501928), (62741, 317936), (71704, 278194), (71792, 277853), (79484, 250964), (125482, 158968), (139097, 143408)]