19165004

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 34183968

約数和(自身を除く): 15018964

約数列:

[1, 2, 4, 103, 181, 206, 257, 362, 412, 514, 724, 1028, 18643, 26471, 37286, 46517, 52942, 74572, 93034, 105884, 186068, 4791251, 9582502, 19165004]

約数ペア:

[(1, 19165004), (2, 9582502), (4, 4791251), (103, 186068), (181, 105884), (206, 93034), (257, 74572), (362, 52942), (412, 46517), (514, 37286), (724, 26471), (1028, 18643)]