19698098

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 17237902

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 149, 266, 298, 497, 931, 994, 1043, 1349, 1862, 2086, 2698, 2831, 3479, 5662, 6958, 7301, 9443, 10579, 14602, 18886, 19817, 21158, 39634, 66101, 74053, 132202, 138719, 148106, 201001, 277438, 402002, 518371, 1036742, 1407007, 2814014, 9849049, 19698098]

約数ペア:

[(1, 19698098), (2, 9849049), (7, 2814014), (14, 1407007), (19, 1036742), (38, 518371), (49, 402002), (71, 277438), (98, 201001), (133, 148106), (142, 138719), (149, 132202), (266, 74053), (298, 66101), (497, 39634), (931, 21158), (994, 19817), (1043, 18886), (1349, 14602), (1862, 10579), (2086, 9443), (2698, 7301), (2831, 6958), (3479, 5662)]