18459212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 17465908

約数列:

[1, 2, 4, 17, 34, 43, 59, 68, 86, 107, 118, 172, 214, 236, 428, 731, 1003, 1462, 1819, 2006, 2537, 2924, 3638, 4012, 4601, 5074, 6313, 7276, 9202, 10148, 12626, 18404, 25252, 43129, 78217, 86258, 107321, 156434, 172516, 214642, 271459, 312868, 429284, 542918, 1085836, 4614803, 9229606, 18459212]

約数ペア:

[(1, 18459212), (2, 9229606), (4, 4614803), (17, 1085836), (34, 542918), (43, 429284), (59, 312868), (68, 271459), (86, 214642), (107, 172516), (118, 156434), (172, 107321), (214, 86258), (236, 78217), (428, 43129), (731, 25252), (1003, 18404), (1462, 12626), (1819, 10148), (2006, 9202), (2537, 7276), (2924, 6313), (3638, 5074), (4012, 4601)]