19144996

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 36

約数和(自身を含む): 36728832

約数和(自身を除く): 17583836

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 223, 254, 338, 446, 508, 676, 892, 1651, 2899, 3302, 5798, 6604, 11596, 21463, 28321, 37687, 42926, 56642, 75374, 85852, 113284, 150748, 368173, 736346, 1472692, 4786249, 9572498, 19144996]

約数ペア:

[(1, 19144996), (2, 9572498), (4, 4786249), (13, 1472692), (26, 736346), (52, 368173), (127, 150748), (169, 113284), (223, 85852), (254, 75374), (338, 56642), (446, 42926), (508, 37687), (676, 28321), (892, 21463), (1651, 11596), (2899, 6604), (3302, 5798)]