19238120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1946

約数の個数: 64

約数和(自身を含む): 49299840

約数和(自身を除く): 30061720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1901, 2024, 2530, 3802, 5060, 7604, 9505, 10120, 15208, 19010, 20911, 38020, 41822, 43723, 76040, 83644, 87446, 104555, 167288, 174892, 209110, 218615, 349784, 418220, 437230, 480953, 836440, 874460, 961906, 1748920, 1923812, 2404765, 3847624, 4809530, 9619060, 19238120]

約数ペア:

[(1, 19238120), (2, 9619060), (4, 4809530), (5, 3847624), (8, 2404765), (10, 1923812), (11, 1748920), (20, 961906), (22, 874460), (23, 836440), (40, 480953), (44, 437230), (46, 418220), (55, 349784), (88, 218615), (92, 209110), (110, 174892), (115, 167288), (184, 104555), (220, 87446), (230, 83644), (253, 76040), (440, 43723), (460, 41822), (506, 38020), (920, 20911), (1012, 19010), (1265, 15208), (1901, 10120), (2024, 9505), (2530, 7604), (3802, 5060)]