18740862

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1153}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 48744960

約数和(自身を除く): 30004098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1153, 1161, 1806, 2306, 2322, 2709, 3459, 5418, 6918, 8071, 8127, 10377, 16142, 16254, 20754, 24213, 31131, 48426, 49579, 62262, 72639, 99158, 145278, 148737, 217917, 297474, 347053, 435834, 446211, 694106, 892422, 1041159, 1338633, 2082318, 2677266, 3123477, 6246954, 9370431, 18740862]

約数ペア:

[(1, 18740862), (2, 9370431), (3, 6246954), (6, 3123477), (7, 2677266), (9, 2082318), (14, 1338633), (18, 1041159), (21, 892422), (27, 694106), (42, 446211), (43, 435834), (54, 347053), (63, 297474), (86, 217917), (126, 148737), (129, 145278), (189, 99158), (258, 72639), (301, 62262), (378, 49579), (387, 48426), (602, 31131), (774, 24213), (903, 20754), (1153, 16254), (1161, 16142), (1806, 10377), (2306, 8127), (2322, 8071), (2709, 6918), (3459, 5418)]