18219828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1663}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 28744908

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 83, 132, 166, 249, 332, 498, 913, 996, 1663, 1826, 2739, 3326, 3652, 4989, 5478, 6652, 9978, 10956, 18293, 19956, 36586, 54879, 73172, 109758, 138029, 219516, 276058, 414087, 552116, 828174, 1518319, 1656348, 3036638, 4554957, 6073276, 9109914, 18219828]

約数ペア:

[(1, 18219828), (2, 9109914), (3, 6073276), (4, 4554957), (6, 3036638), (11, 1656348), (12, 1518319), (22, 828174), (33, 552116), (44, 414087), (66, 276058), (83, 219516), (132, 138029), (166, 109758), (249, 73172), (332, 54879), (498, 36586), (913, 19956), (996, 18293), (1663, 10956), (1826, 9978), (2739, 6652), (3326, 5478), (3652, 4989)]