16620858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 39574080

約数和(自身を除く): 22953222

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2113, 2622, 3933, 4226, 6339, 7866, 12678, 19017, 38034, 40147, 48599, 80294, 97198, 120441, 145797, 240882, 291594, 361323, 437391, 722646, 874782, 923381, 1846762, 2770143, 5540286, 8310429, 16620858]

約数ペア:

[(1, 16620858), (2, 8310429), (3, 5540286), (6, 2770143), (9, 1846762), (18, 923381), (19, 874782), (23, 722646), (38, 437391), (46, 361323), (57, 291594), (69, 240882), (114, 145797), (138, 120441), (171, 97198), (207, 80294), (342, 48599), (414, 40147), (437, 38034), (874, 19017), (1311, 12678), (2113, 7866), (2622, 6339), (3933, 4226)]