19666832

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 39580800

約数和(自身を除く): 19913968

約数列:

[1, 2, 4, 8, 16, 37, 74, 139, 148, 239, 278, 296, 478, 556, 592, 956, 1112, 1912, 2224, 3824, 5143, 8843, 10286, 17686, 20572, 33221, 35372, 41144, 66442, 70744, 82288, 132884, 141488, 265768, 531536, 1229177, 2458354, 4916708, 9833416, 19666832]

約数ペア:

[(1, 19666832), (2, 9833416), (4, 4916708), (8, 2458354), (16, 1229177), (37, 531536), (74, 265768), (139, 141488), (148, 132884), (239, 82288), (278, 70744), (296, 66442), (478, 41144), (556, 35372), (592, 33221), (956, 20572), (1112, 17686), (1912, 10286), (2224, 8843), (3824, 5143)]