18031118

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 33981120

約数和(自身を除く): 15950002

約数列:

[1, 2, 7, 14, 17, 34, 49, 79, 98, 119, 137, 158, 238, 274, 553, 833, 959, 1106, 1343, 1666, 1918, 2329, 2686, 3871, 4658, 6713, 7742, 9401, 10823, 13426, 16303, 18802, 21646, 32606, 65807, 75761, 114121, 131614, 151522, 183991, 228242, 367982, 530327, 1060654, 1287937, 2575874, 9015559, 18031118]

約数ペア:

[(1, 18031118), (2, 9015559), (7, 2575874), (14, 1287937), (17, 1060654), (34, 530327), (49, 367982), (79, 228242), (98, 183991), (119, 151522), (137, 131614), (158, 114121), (238, 75761), (274, 65807), (553, 32606), (833, 21646), (959, 18802), (1106, 16303), (1343, 13426), (1666, 10823), (1918, 9401), (2329, 7742), (2686, 6713), (3871, 4658)]