19649968120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21358661}}^1$

素因数の和:21358695

約数の個数: 32

約数和(自身を含む): 46134709920

約数和(自身を除く): 26484741800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21358661, 42717322, 85434644, 106793305, 170869288, 213586610, 427173220, 491249203, 854346440, 982498406, 1964996812, 2456246015, 3929993624, 4912492030, 9824984060, 19649968120]

約数ペア:

[(1, 19649968120), (2, 9824984060), (4, 4912492030), (5, 3929993624), (8, 2456246015), (10, 1964996812), (20, 982498406), (23, 854346440), (40, 491249203), (46, 427173220), (92, 213586610), (115, 170869288), (184, 106793305), (230, 85434644), (460, 42717322), (920, 21358661)]