18765684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 54774720

約数和(自身を除く): 36009036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 659, 678, 791, 1017, 1318, 1356, 1582, 1977, 2034, 2373, 2636, 3164, 3954, 4068, 4613, 4746, 5931, 7119, 7908, 9226, 9492, 11862, 13839, 14238, 18452, 23724, 27678, 28476, 41517, 55356, 74467, 83034, 148934, 166068, 223401, 297868, 446802, 521269, 670203, 893604, 1042538, 1340406, 1563807, 2085076, 2680812, 3127614, 4691421, 6255228, 9382842, 18765684]

約数ペア:

[(1, 18765684), (2, 9382842), (3, 6255228), (4, 4691421), (6, 3127614), (7, 2680812), (9, 2085076), (12, 1563807), (14, 1340406), (18, 1042538), (21, 893604), (28, 670203), (36, 521269), (42, 446802), (63, 297868), (84, 223401), (113, 166068), (126, 148934), (226, 83034), (252, 74467), (339, 55356), (452, 41517), (659, 28476), (678, 27678), (791, 23724), (1017, 18452), (1318, 14238), (1356, 13839), (1582, 11862), (1977, 9492), (2034, 9226), (2373, 7908), (2636, 7119), (3164, 5931), (3954, 4746), (4068, 4613)]