18258008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 17546152

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 166, 248, 332, 664, 887, 1774, 2573, 3548, 5146, 7096, 10292, 20584, 27497, 54994, 73621, 109988, 147242, 219976, 294484, 588968, 2282251, 4564502, 9129004, 18258008]

約数ペア:

[(1, 18258008), (2, 9129004), (4, 4564502), (8, 2282251), (31, 588968), (62, 294484), (83, 219976), (124, 147242), (166, 109988), (248, 73621), (332, 54994), (664, 27497), (887, 20584), (1774, 10292), (2573, 7096), (3548, 5146)]