19894184

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18692056

約数列:

[1, 2, 4, 8, 41, 82, 131, 164, 262, 328, 463, 524, 926, 1048, 1852, 3704, 5371, 10742, 18983, 21484, 37966, 42968, 60653, 75932, 121306, 151864, 242612, 485224, 2486773, 4973546, 9947092, 19894184]

約数ペア:

[(1, 19894184), (2, 9947092), (4, 4973546), (8, 2486773), (41, 485224), (82, 242612), (131, 151864), (164, 121306), (262, 75932), (328, 60653), (463, 42968), (524, 37966), (926, 21484), (1048, 18983), (1852, 10742), (3704, 5371)]