18645452

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 19964980

約数列:

[1, 2, 4, 7, 14, 28, 71, 83, 113, 142, 166, 226, 284, 332, 452, 497, 581, 791, 994, 1162, 1582, 1988, 2324, 3164, 5893, 8023, 9379, 11786, 16046, 18758, 23572, 32092, 37516, 41251, 56161, 65653, 82502, 112322, 131306, 165004, 224644, 262612, 665909, 1331818, 2663636, 4661363, 9322726, 18645452]

約数ペア:

[(1, 18645452), (2, 9322726), (4, 4661363), (7, 2663636), (14, 1331818), (28, 665909), (71, 262612), (83, 224644), (113, 165004), (142, 131306), (166, 112322), (226, 82502), (284, 65653), (332, 56161), (452, 41251), (497, 37516), (581, 32092), (791, 23572), (994, 18758), (1162, 16046), (1582, 11786), (1988, 9379), (2324, 8023), (3164, 5893)]