19173704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4111}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 39968640

約数和(自身を除く): 20794936

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4111, 4664, 8222, 16444, 32888, 45221, 90442, 180884, 217883, 361768, 435766, 871532, 1743064, 2396713, 4793426, 9586852, 19173704]

約数ペア:

[(1, 19173704), (2, 9586852), (4, 4793426), (8, 2396713), (11, 1743064), (22, 871532), (44, 435766), (53, 361768), (88, 217883), (106, 180884), (212, 90442), (424, 45221), (583, 32888), (1166, 16444), (2332, 8222), (4111, 4664)]