19820178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157303}}^1$

素因数の和:157318

約数の個数: 24

約数和(自身を含む): 49078848

約数和(自身を除く): 29258670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157303, 314606, 471909, 943818, 1101121, 1415727, 2202242, 2831454, 3303363, 6606726, 9910089, 19820178]

約数ペア:

[(1, 19820178), (2, 9910089), (3, 6606726), (6, 3303363), (7, 2831454), (9, 2202242), (14, 1415727), (18, 1101121), (21, 943818), (42, 471909), (63, 314606), (126, 157303)]